400621484876 has 12 divisors (see below), whose sum is σ = 701207095680. Its totient is φ = 200276600400.

The previous prime is 400621484839. The next prime is 400621484891. The reversal of 400621484876 is 678484126004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8509100 + ... + 8556051.

It is an arithmetic number, because the mean of its divisors is an integer number (58433924640).

Almost surely, 2^400621484876 is an apocalyptic number.

It is an amenable number.

400621484876 is a deficient number, since it is larger than the sum of its proper divisors (300585610804).

400621484876 is a wasteful number, since it uses less digits than its factorization.

400621484876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17071024 (or 17071022 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 400621484876 in words is "four hundred billion, six hundred twenty-one million, four hundred eighty-four thousand, eight hundred seventy-six".