2640276262748 has 12 divisors (see below), whose sum is σ = 4620521384640. Its totient is φ = 1320127295712.

The previous prime is 2640276262721. The next prime is 2640276262753. The reversal of 2640276262748 is 8472626720462.

It is a junction number, because it is equal to n+sod(n) for n = 2640276262693 and 2640276262702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2147753 + ... + 3145376.

It is an arithmetic number, because the mean of its divisors is an integer number (385043448720).

Almost surely, 2^{2640276262748} is an apocalyptic number.

It is an amenable number.

2640276262748 is a deficient number, since it is larger than the sum of its proper divisors (1980245121892).

2640276262748 is a wasteful number, since it uses less digits than its factorization.

2640276262748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5417836 (or 5417834 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 56.

The spelling of 2640276262748 in words is "two trillion, six hundred forty billion, two hundred seventy-six million, two hundred sixty-two thousand, seven hundred forty-eight".