400251083716 has 81 divisors (see below), whose sum is σ = 779143186983. Its totient is φ = 179774960640.

The previous prime is 400251083699. The next prime is 400251083731. The reversal of 400251083716 is 617380152004.

The square root of 400251083716 is 632654.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 168797722500 + 231453361216 = 410850^2 + 481096^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2073839716 + ... + 2073839908.

Almost surely, 2^400251083716 is an apocalyptic number.

400251083716 is the 632654-th square number.

It is an amenable number.

400251083716 is a deficient number, since it is larger than the sum of its proper divisors (378892103267).

400251083716 is a wasteful number, since it uses less digits than its factorization.

400251083716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 400251083716 in words is "four hundred billion, two hundred fifty-one million, eighty-three thousand, seven hundred sixteen".