400363676764 has 24 divisors (see below), whose sum is σ = 709477711488. Its totient is φ = 197666962800.

The previous prime is 400363676753. The next prime is 400363676821. The reversal of 400363676764 is 467676363004.

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, 1257262 + ... + 1543189.

It is an arithmetic number, because the mean of its divisors is an integer number (29561571312).

Almost surely, 2^400363676764 is an apocalyptic number.

It is an amenable number.

400363676764 is a deficient number, since it is larger than the sum of its proper divisors (309114034724).

400363676764 is a wasteful number, since it uses less digits than its factorization.

400363676764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800905 (or 2800903 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 52.

It can be divided in two parts, 4003636 and 76764, that added together give a square (4080400 = 2020²).

The spelling of 400363676764 in words is "four hundred billion, three hundred sixty-three million, six hundred seventy-six thousand, seven hundred sixty-four".