400083563028 has 48 divisors (see below), whose sum is σ = 996871196160. Its totient is φ = 124608892800.

The previous prime is 400083562987. The next prime is 400083563041. The reversal of 400083563028 is 820365380004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18532203 + ... + 18553778.

It is an arithmetic number, because the mean of its divisors is an integer number (20768149920).

Almost surely, 2^400083563028 is an apocalyptic number.

It is an amenable number.

400083563028 is an abundant number, since it is smaller than the sum of its proper divisors (596787633132).

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

400083563028 is a wasteful number, since it uses less digits than its factorization.

400083563028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37086048 (or 37086046 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 400083563028 in words is "four hundred billion, eighty-three million, five hundred sixty-three thousand, twenty-eight".