400535530112 has 32 divisors (see below), whose sum is σ = 844879638420. Its totient is φ = 188487307264.

The previous prime is 400535530103. The next prime is 400535530117. The reversal of 400535530112 is 211035535004.

It can be written as a sum of positive squares in 2 ways, for example, as 343330371136 + 57205158976 = 585944^2 + 239176^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (400535530117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92032643 + ... + 92036994.

Almost surely, 2^400535530112 is an apocalyptic number.

It is an amenable number.

400535530112 is an abundant number, since it is smaller than the sum of its proper divisors (444344108308).

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

400535530112 is a wasteful number, since it uses less digits than its factorization.

400535530112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184069668 (or 184069656 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 400535530112 in words is "four hundred billion, five hundred thirty-five million, five hundred thirty thousand, one hundred twelve".