2620406020626 has 32 divisors (see below), whose sum is σ = 5883156713280. Its totient is φ = 864463840128.

The previous prime is 2620406020513. The next prime is 2620406020697. The reversal of 2620406020626 is 6260206040262.

It is a happy number.

2620406020626 is a `hidden beast` number, since 2 + 6 + 2 + 0 + 4 + 0 + 6 + 0 + 20 + 626 = 666.

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, 250128976 + ... + 250139451.

It is an arithmetic number, because the mean of its divisors is an integer number (183848647290).

Almost surely, 2^{2620406020626} is an apocalyptic number.

2620406020626 is an abundant number, since it is smaller than the sum of its proper divisors (3262750692654).

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

2620406020626 is a wasteful number, since it uses less digits than its factorization.

2620406020626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500268535 (or 500268529 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 2620406020626 in words is "two trillion, six hundred twenty billion, four hundred six million, twenty thousand, six hundred twenty-six".