401427760 has 40 divisors (see below), whose sum is σ = 934154496. Its totient is φ = 160427520.

The previous prime is 401427751. The next prime is 401427781. The reversal of 401427760 is 67724104.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×401427760² = 322288492997235200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167692 + ... + 170068.

Almost surely, 2^401427760 is an apocalyptic number.

401427760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401427760 is an abundant number, since it is smaller than the sum of its proper divisors (532726736).

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

401427760 is a wasteful number, since it uses less digits than its factorization.

401427760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501 (or 4495 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 401427760 is about 20035.6622051780. The cubic root of 401427760 is about 737.6819108862.

The spelling of 401427760 in words is "four hundred one million, four hundred twenty-seven thousand, seven hundred sixty".