2479906851984 has 45 divisors (see below), whose sum is σ = 6940347756979. Its totient is φ = 826629318240.

The previous prime is 2479906851979. The next prime is 2479906852019. The reversal of 2479906851984 is 4891586099742.

The square root of 2479906851984 is 1574772.

It is a perfect power (a square), and thus also a powerful number.

2479906851984 is a `hidden beast` number, since 2 + 47 + 9 + 9 + 0 + 68 + 519 + 8 + 4 = 666.

It is a super-2 number, since 2×2479906851984² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18831649 + ... + 18962879.

Almost surely, 2^{2479906851984} is an apocalyptic number.

2479906851984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

2479906851984 is the 1574772-nd square number.

It is an amenable number.

2479906851984 is an abundant number, since it is smaller than the sum of its proper divisors (4460440904995).

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

2479906851984 is an frugal number, since it uses more digits than its factorization.

2479906851984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262476 (or 131236 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 72.

The spelling of 2479906851984 in words is "two trillion, four hundred seventy-nine billion, nine hundred six million, eight hundred fifty-one thousand, nine hundred eighty-four".