620157362605026 has 64 divisors (see below), whose sum is σ = 1262096429622912. Its totient is φ = 203096675520000.

The previous prime is 620157362605013. The next prime is 620157362605043. The reversal of 620157362605026 is 620506263751026.

It is a self number, because there is not a number n which added to its sum of digits gives 620157362605026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3113437156 + ... + 3113636336.

It is an arithmetic number, because the mean of its divisors is an integer number (19720256712858).

Almost surely, 2^{620157362605026} is an apocalyptic number.

620157362605026 is an abundant number, since it is smaller than the sum of its proper divisors (641939067017886).

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

620157362605026 is a wasteful number, since it uses less digits than its factorization.

620157362605026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208979.

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 620157362605026 in words is "six hundred twenty trillion, one hundred fifty-seven billion, three hundred sixty-two million, six hundred five thousand, twenty-six".