400371427700 has 36 divisors (see below), whose sum is σ = 898764832140. Its totient is φ = 154626205440.

The previous prime is 400371427699. The next prime is 400371427721. The reversal of 400371427700 is 7724173004.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 82496477284 + 317874950416 = 287222^2 + 563804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69026657 + ... + 69032456.

Almost surely, 2^400371427700 is an apocalyptic number.

It is an amenable number.

400371427700 is an abundant number, since it is smaller than the sum of its proper divisors (498393404440).

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

400371427700 is a wasteful number, since it uses less digits than its factorization.

400371427700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138059156 (or 138059149 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The spelling of 400371427700 in words is "four hundred billion, three hundred seventy-one million, four hundred twenty-seven thousand, seven hundred".