400007710044 has 48 divisors (see below), whose sum is σ = 1037091313440. Its totient is φ = 133331495040.

The previous prime is 400007710009. The next prime is 400007710057. The reversal of 400007710044 is 440017700004.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5854302 + ... + 5922234.

It is an arithmetic number, because the mean of its divisors is an integer number (21606069030).

Almost surely, 2^400007710044 is an apocalyptic number.

It is an amenable number.

400007710044 is an abundant number, since it is smaller than the sum of its proper divisors (637083603396).

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

400007710044 is a wasteful number, since it uses less digits than its factorization.

400007710044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122467 (or 122459 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The spelling of 400007710044 in words is "four hundred billion, seven million, seven hundred ten thousand, forty-four".