400096481 has 8 divisors (see below), whose sum is σ = 402256680. Its totient is φ = 397942272.

The previous prime is 400096469. The next prime is 400096483. The reversal of 400096481 is 184690004.

It can be written as a sum of positive squares in 4 ways, for example, as 256480225 + 143616256 = 16015^2 + 11984^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400096481 is a prime.

It is a super-2 number, since 2×400096481² = 320154388217166722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400096483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196175 + ... + 198203.

It is an arithmetic number, because the mean of its divisors is an integer number (50282085).

Almost surely, 2^400096481 is an apocalyptic number.

It is an amenable number.

400096481 is a deficient number, since it is larger than the sum of its proper divisors (2160199).

400096481 is a wasteful number, since it uses less digits than its factorization.

400096481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 400096481 is about 20002.4118795709. The cubic root of 400096481 is about 736.8655348063.

The spelling of 400096481 in words is "four hundred million, ninety-six thousand, four hundred eighty-one".