400484586876 has 24 divisors (see below), whose sum is σ = 1019415312384. Its totient is φ = 121358965680.

The previous prime is 400484586851. The next prime is 400484586883. The reversal of 400484586876 is 678685484004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516986940 + ... + 1516987203.

It is an arithmetic number, because the mean of its divisors is an integer number (42475638016).

Almost surely, 2^400484586876 is an apocalyptic number.

It is an amenable number.

400484586876 is an abundant number, since it is smaller than the sum of its proper divisors (618930725508).

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

400484586876 is a wasteful number, since it uses less digits than its factorization.

400484586876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033974161 (or 3033974159 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 60.

The spelling of 400484586876 in words is "four hundred billion, four hundred eighty-four million, five hundred eighty-six thousand, eight hundred seventy-six".