401883520 has 32 divisors (see below), whose sum is σ = 960754320. Its totient is φ = 160753152.

The previous prime is 401883491. The next prime is 401883523. The reversal of 401883520 is 25388104.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401883523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313332 + ... + 314611.

Almost surely, 2^401883520 is an apocalyptic number.

401883520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401883520 is an abundant number, since it is smaller than the sum of its proper divisors (558870800).

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

401883520 is an equidigital number, since it uses as much as digits as its factorization.

401883520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627962 (or 627950 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 401883520 is about 20047.0326981327. The cubic root of 401883520 is about 737.9609804014.

The spelling of 401883520 in words is "four hundred one million, eight hundred eighty-three thousand, five hundred twenty".