25283473488 has 720 divisors, whose sum is σ = 95153909760. Its totient is φ = 6351561216.

The previous prime is 25283473487. The next prime is 25283473507. The reversal of 25283473488 is 88437438252.

25283473488 is a `hidden beast` number, since 2 + 52 + 83 + 473 + 48 + 8 = 666.

It is a super-2 number, since 2×25283473488² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25283473483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 105788473 + ... + 105788711.

It is an arithmetic number, because the mean of its divisors is an integer number (132158208).

Almost surely, 2^25283473488 is an apocalyptic number.

25283473488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25283473488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47576954880).

25283473488 is an abundant number, since it is smaller than the sum of its proper divisors (69870436272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25283473488 is a wasteful number, since it uses less digits than its factorization.

25283473488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 287 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 54.

The spelling of 25283473488 in words is "twenty-five billion, two hundred eighty-three million, four hundred seventy-three thousand, four hundred eighty-eight".