400472206344 has 48 divisors (see below), whose sum is σ = 1239556830720. Its totient is φ = 114420630240.

The previous prime is 400472206331. The next prime is 400472206361. The reversal of 400472206344 is 443602274004.

400472206344 is a `hidden beast` number, since 40 + 0 + 4 + 72 + 206 + 344 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 400472206299 and 400472206308.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 397293352 + ... + 397294359.

It is an arithmetic number, because the mean of its divisors is an integer number (25824100640).

Almost surely, 2^400472206344 is an apocalyptic number.

It is an amenable number.

400472206344 is an abundant number, since it is smaller than the sum of its proper divisors (839084624376).

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

400472206344 is a wasteful number, since it uses less digits than its factorization.

400472206344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794587730 (or 794587723 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 36.

The spelling of 400472206344 in words is "four hundred billion, four hundred seventy-two million, two hundred six thousand, three hundred forty-four".