405511400112 has 160 divisors (see below), whose sum is σ = 1333777966080. Its totient is φ = 103260165120.

The previous prime is 405511400089. The next prime is 405511400137. The reversal of 405511400112 is 211004115504.

It is a super-2 number, since 2×405511400112² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1473964 + ... + 1727307.

It is an arithmetic number, because the mean of its divisors is an integer number (8336112288).

Almost surely, 2^405511400112 is an apocalyptic number.

405511400112 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

405511400112 is an abundant number, since it is smaller than the sum of its proper divisors (928266565968).

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

405511400112 is a wasteful number, since it uses less digits than its factorization.

405511400112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201331 (or 3201325 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 405511400112 its reverse (211004115504), we get a palindrome (616515515616).

The spelling of 405511400112 in words is "four hundred five billion, five hundred eleven million, four hundred thousand, one hundred twelve".