620426624026 has 16 divisors (see below), whose sum is σ = 1022057287200. Its totient is φ = 280119401680.

The previous prime is 620426624009. The next prime is 620426624057.

It is a happy number.

620426624026 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 620426624026.

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 7 ways as a sum of consecutive naturals, for example, 94631656 + ... + 94638211.

It is an arithmetic number, because the mean of its divisors is an integer number (63878580450).

Almost surely, 2^620426624026 is an apocalyptic number.

620426624026 is a deficient number, since it is larger than the sum of its proper divisors (401630663174).

620426624026 is a wasteful number, since it uses less digits than its factorization.

620426624026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189270029.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 620426624026 in words is "six hundred twenty billion, four hundred twenty-six million, six hundred twenty-four thousand, twenty-six".