401335960 has 32 divisors (see below), whose sum is σ = 908771760. Its totient is φ = 159509376.

The previous prime is 401335943. The next prime is 401336021. The reversal of 401335960 is 69533104.

It is a super-2 number, since 2×401335960² = 322141105578243200, which contains 22 as substring.

It is a congruent number.

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, 25674 + ... + 38233.

Almost surely, 2^401335960 is an apocalyptic number.

401335960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401335960 is an abundant number, since it is smaller than the sum of its proper divisors (507435800).

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

401335960 is a wasteful number, since it uses less digits than its factorization.

401335960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64075 (or 64071 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 401335960 is about 20033.3711591434. The cubic root of 401335960 is about 737.6256746474.

The spelling of 401335960 in words is "four hundred one million, three hundred thirty-five thousand, nine hundred sixty".