2797642560 has 56 divisors (see below), whose sum is σ = 8882518176. Its totient is φ = 746037760.

The previous prime is 2797642511. The next prime is 2797642567. The reversal of 2797642560 is 652467972.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797642567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1456146 + ... + 1458065.

It is an arithmetic number, because the mean of its divisors is an integer number (158616396).

Almost surely, 2^2797642560 is an apocalyptic number.

2797642560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2797642560 is an abundant number, since it is smaller than the sum of its proper divisors (6084875616).

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

2797642560 is a wasteful number, since it uses less digits than its factorization.

2797642560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914231 (or 2914221 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The square root of 2797642560 is about 52892.7458164161. The cubic root of 2797642560 is about 1409.0640738256.

The spelling of 2797642560 in words is "two billion, seven hundred ninety-seven million, six hundred forty-two thousand, five hundred sixty".