400361112 has 24 divisors (see below), whose sum is σ = 1084311540. Its totient is φ = 133453680.

The previous prime is 400361111. The next prime is 400361149. The reversal of 400361112 is 211163004.

It is a happy number.

400361112 is a `hidden beast` number, since 40 + 0 + 3 + 611 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400361111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2780214 + ... + 2780357.

Almost surely, 2^400361112 is an apocalyptic number.

It is an amenable number.

400361112 is an abundant number, since it is smaller than the sum of its proper divisors (683950428).

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

400361112 is a wasteful number, since it uses less digits than its factorization.

400361112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560583 (or 5560576 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 400361112 is about 20009.0257633899. The cubic root of 400361112 is about 737.0279577024.

The spelling of 400361112 in words is "four hundred million, three hundred sixty-one thousand, one hundred twelve".