2620857674928 has 30 divisors (see below), whose sum is σ = 6770577968644. Its totient is φ = 873615486272.

The previous prime is 2620857674927. The next prime is 2620857674933. The reversal of 2620857674928 is 8294767580262.

It is not an unprimeable number, because it can be changed into a prime (2620857674927) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 11099278 + ... + 11332946.

Almost surely, 2^{2620857674928} is an apocalyptic number.

It is an amenable number.

2620857674928 is an abundant number, since it is smaller than the sum of its proper divisors (4149720293716).

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

2620857674928 is an frugal number, since it uses more digits than its factorization.

2620857674928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467349 (or 233674 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 66.

The spelling of 2620857674928 in words is "two trillion, six hundred twenty billion, eight hundred fifty-seven million, six hundred seventy-four thousand, nine hundred twenty-eight".