400626602608 has 40 divisors (see below), whose sum is σ = 778589150240. Its totient is φ = 199701089280.

The previous prime is 400626602599. The next prime is 400626602633. The reversal of 400626602608 is 806206626004.

It is a congruent number.

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, 9257116 + ... + 9300292.

It is an arithmetic number, because the mean of its divisors is an integer number (19464728756).

Almost surely, 2^400626602608 is an apocalyptic number.

It is an amenable number.

400626602608 is a deficient number, since it is larger than the sum of its proper divisors (377962547632).

400626602608 is a wasteful number, since it uses less digits than its factorization.

400626602608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44945 (or 44939 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 400626602608 in words is "four hundred billion, six hundred twenty-six million, six hundred two thousand, six hundred eight".