2640049313832 has 128 divisors (see below), whose sum is σ = 8455278585600. Its totient is φ = 747624536064.

The previous prime is 2640049313761. The next prime is 2640049313833. The reversal of 2640049313832 is 2383139400462.

2640049313832 is a `hidden beast` number, since 26 + 4 + 0 + 0 + 493 + 138 + 3 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (2640049313833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7555093 + ... + 7896804.

It is an arithmetic number, because the mean of its divisors is an integer number (66056863950).

Almost surely, 2^{2640049313832} is an apocalyptic number.

It is an amenable number.

2640049313832 is an abundant number, since it is smaller than the sum of its proper divisors (5815229271768).

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

2640049313832 is a wasteful number, since it uses less digits than its factorization.

2640049313832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15452032 (or 15452022 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 2640049313832 in words is "two trillion, six hundred forty billion, forty-nine million, three hundred thirteen thousand, eight hundred thirty-two".