2640624224626 has 4 divisors (see below), whose sum is σ = 3960936336942. Its totient is φ = 1320312112312.

The previous prime is 2640624224611. The next prime is 2640624224639. The reversal of 2640624224626 is 6264224260462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1776886334001 + 863737890625 = 1332999^2 + 929375^2 .

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 as a sum of consecutive naturals, namely, 660156056155 + ... + 660156056158.

Almost surely, 2^{2640624224626} is an apocalyptic number.

2640624224626 is a deficient number, since it is larger than the sum of its proper divisors (1320312112316).

2640624224626 is a wasteful number, since it uses less digits than its factorization.

2640624224626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320312112315.

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 2640624224626 in words is "two trillion, six hundred forty billion, six hundred twenty-four million, two hundred twenty-four thousand, six hundred twenty-six".