2640158976 has 288 divisors, whose sum is σ = 8890647808. Its totient is φ = 676823040.

The previous prime is 2640158971. The next prime is 2640158993. The reversal of 2640158976 is 6798510462.

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

It is not an unprimeable number, because it can be changed into a prime (2640158971) 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 31 ways as a sum of consecutive naturals, for example, 2585346 + ... + 2586366.

Almost surely, 2^2640158976 is an apocalyptic number.

2640158976 is a gapful number since it is divisible by the number (26) 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 2640158976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4445323904).

2640158976 is an abundant number, since it is smaller than the sum of its proper divisors (6250488832).

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

2640158976 is a wasteful number, since it uses less digits than its factorization.

2640158976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 2640158976 is about 51382.4773244732. The cubic root of 2640158976 is about 1382.1123876536.

The spelling of 2640158976 in words is "two billion, six hundred forty million, one hundred fifty-eight thousand, nine hundred seventy-six".