2640613615042 has 32 divisors (see below), whose sum is σ = 4468553510400. Its totient is φ = 1161823860288.

The previous prime is 2640613614913. The next prime is 2640613615093. The reversal of 2640613615042 is 2405163160462.

It is a junction number, because it is equal to n+sod(n) for n = 2640613614986 and 2640613615004.

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 15 ways as a sum of consecutive naturals, for example, 22105878 + ... + 22225009.

It is an arithmetic number, because the mean of its divisors is an integer number (139642297200).

Almost surely, 2^{2640613615042} is an apocalyptic number.

2640613615042 is a deficient number, since it is larger than the sum of its proper divisors (1827939895358).

2640613615042 is a wasteful number, since it uses less digits than its factorization.

2640613615042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44331010.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 2640613615042 in words is "two trillion, six hundred forty billion, six hundred thirteen million, six hundred fifteen thousand, forty-two".