400540555110 has 64 divisors (see below), whose sum is σ = 962622194688. Its totient is φ = 106663734144.

The previous prime is 400540555069. The next prime is 400540555123. The reversal of 400540555110 is 11555045004.

It is a super-2 number, since 2×400540555110² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90556359 + ... + 90560781.

It is an arithmetic number, because the mean of its divisors is an integer number (15040971792).

Almost surely, 2^400540555110 is an apocalyptic number.

400540555110 is an abundant number, since it is smaller than the sum of its proper divisors (562081639578).

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

400540555110 is a wasteful number, since it uses less digits than its factorization.

400540555110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 400540555110 in words is "four hundred billion, five hundred forty million, five hundred fifty-five thousand, one hundred ten".