400080356 has 48 divisors (see below), whose sum is σ = 773977344. Its totient is φ = 179801856.

The previous prime is 400080349. The next prime is 400080361. The reversal of 400080356 is 653080004.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 764711 + ... + 765233.

It is an arithmetic number, because the mean of its divisors is an integer number (16124528).

Almost surely, 2^400080356 is an apocalyptic number.

It is an amenable number.

400080356 is a deficient number, since it is larger than the sum of its proper divisors (373896988).

400080356 is a wasteful number, since it uses less digits than its factorization.

400080356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 400080356 is about 20002.0087991182. The cubic root of 400080356 is about 736.8556354304.

The spelling of 400080356 in words is "four hundred million, eighty thousand, three hundred fifty-six".