4915567920 has 40 divisors (see below), whose sum is σ = 15238261296. Its totient is φ = 1310818048.

The previous prime is 4915567907. The next prime is 4915567927. The reversal of 4915567920 is 297655194.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×4915567920² = 48325615952266252800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 4915567920.

It is not an unprimeable number, because it can be changed into a prime (4915567927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10240527 + ... + 10241006.

Almost surely, 2^4915567920 is an apocalyptic number.

4915567920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4915567920 is an abundant number, since it is smaller than the sum of its proper divisors (10322693376).

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

4915567920 is a wasteful number, since it uses less digits than its factorization.

4915567920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20481549 (or 20481543 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 48.

The square root of 4915567920 is about 70111.1112449375. Note that the first 3 decimals coincide. The cubic root of 4915567920 is about 1700.2961329563.

The spelling of 4915567920 in words is "four billion, nine hundred fifteen million, five hundred sixty-seven thousand, nine hundred twenty".