400555090132 has 12 divisors (see below), whose sum is σ = 701208804436. Its totient is φ = 200209717440.

The previous prime is 400555090129. The next prime is 400555090141. The reversal of 400555090132 is 231090555004.

It can be written as a sum of positive squares in 2 ways, for example, as 125993761936 + 274561328196 = 354956^2 + 523986^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16943619 + ... + 16967242.

Almost surely, 2^400555090132 is an apocalyptic number.

It is an amenable number.

400555090132 is a deficient number, since it is larger than the sum of its proper divisors (300653714304).

400555090132 is a wasteful number, since it uses less digits than its factorization.

400555090132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33913818 (or 33913816 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 400555090132 in words is "four hundred billion, five hundred fifty-five million, ninety thousand, one hundred thirty-two".