400606464620 has 96 divisors (see below), whose sum is σ = 861217878528. Its totient is φ = 156474519552.

The previous prime is 400606464619. The next prime is 400606464679. The reversal of 400606464620 is 26464606004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255651077 + ... + 255652643.

It is an arithmetic number, because the mean of its divisors is an integer number (8971019568).

Almost surely, 2^400606464620 is an apocalyptic number.

It is an amenable number.

400606464620 is an abundant number, since it is smaller than the sum of its proper divisors (460611413908).

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

400606464620 is a wasteful number, since it uses less digits than its factorization.

400606464620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619 (or 2617 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 400606464620 in words is "four hundred billion, six hundred six million, four hundred sixty-four thousand, six hundred twenty".