400011040100 has 72 divisors (see below), whose sum is σ = 992117333760. Its totient is φ = 137134206720.

The previous prime is 400011040069. The next prime is 400011040139. The reversal of 400011040100 is 1040110004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11125352 + ... + 11161248.

Almost surely, 2^400011040100 is an apocalyptic number.

It is an amenable number.

400011040100 is an abundant number, since it is smaller than the sum of its proper divisors (592106293660).

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

400011040100 is a wasteful number, since it uses less digits than its factorization.

400011040100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51837 (or 51830 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 400011040100 its reverse (1040110004), we get a palindrome (401051150104).

The spelling of 400011040100 in words is "four hundred billion, eleven million, forty thousand, one hundred".