400484088044 has 48 divisors (see below), whose sum is σ = 765645955200. Its totient is φ = 182566465536.

The previous prime is 400484088029. The next prime is 400484088079. The reversal of 400484088044 is 440880484004.

It is a junction number, because it is equal to n+sod(n) for n = 400484087986 and 400484088004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418589 + ... + 988020.

It is an arithmetic number, because the mean of its divisors is an integer number (15950957400).

Almost surely, 2^400484088044 is an apocalyptic number.

It is an amenable number.

400484088044 is a deficient number, since it is larger than the sum of its proper divisors (365161867156).

400484088044 is a wasteful number, since it uses less digits than its factorization.

400484088044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406762 (or 1406760 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

The spelling of 400484088044 in words is "four hundred billion, four hundred eighty-four million, eighty-eight thousand, forty-four".