400223515144420 has 48 divisors (see below), whose sum is σ = 941656113292608. Its totient is φ = 141602423045760.

The previous prime is 400223515144381. The next prime is 400223515144489. The reversal of 400223515144420 is 24441515322004.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 400223515144420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24583745862 + ... + 24583762141.

It is an arithmetic number, because the mean of its divisors is an integer number (19617835693596).

Almost surely, 2^{400223515144420} is an apocalyptic number.

It is an amenable number.

400223515144420 is an abundant number, since it is smaller than the sum of its proper divisors (541432598148188).

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

400223515144420 is a wasteful number, since it uses less digits than its factorization.

400223515144420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49167508060 (or 49167508058 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

The spelling of 400223515144420 in words is "four hundred trillion, two hundred twenty-three billion, five hundred fifteen million, one hundred forty-four thousand, four hundred twenty".