401685460 has 48 divisors (see below), whose sum is σ = 968667840. Its totient is φ = 138378240.

The previous prime is 401685457. The next prime is 401685461. The reversal of 401685460 is 64586104.

It is a super-2 number, since 2×401685460² = 322702417550823200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401685461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43869 + ... + 52228.

It is an arithmetic number, because the mean of its divisors is an integer number (20180580).

Almost surely, 2^401685460 is an apocalyptic number.

It is an amenable number.

401685460 is an abundant number, since it is smaller than the sum of its proper divisors (566982380).

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

401685460 is a wasteful number, since it uses less digits than its factorization.

401685460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96136 (or 96134 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 401685460 is about 20042.0922061545. The cubic root of 401685460 is about 737.8397308669.

The spelling of 401685460 in words is "four hundred one million, six hundred eighty-five thousand, four hundred sixty".