401435456 has 14 divisors (see below), whose sum is σ = 796598610. Its totient is φ = 200717696.

The previous prime is 401435453. The next prime is 401435473. The reversal of 401435456 is 654534104.

It can be written as a sum of positive squares in only one way, i.e., 392673856 + 8761600 = 19816^2 + 2960^2 .

It is a super-2 number, since 2×401435456² = 322300850667855872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401435453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3136151 + ... + 3136278.

Almost surely, 2^401435456 is an apocalyptic number.

It is an amenable number.

401435456 is a deficient number, since it is larger than the sum of its proper divisors (395163154).

401435456 is an equidigital number, since it uses as much as digits as its factorization.

401435456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272441 (or 6272431 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 401435456 is about 20035.8542617978. The cubic root of 401435456 is about 737.6866250293.

The spelling of 401435456 in words is "four hundred one million, four hundred thirty-five thousand, four hundred fifty-six".