401159520 has 96 divisors (see below), whose sum is σ = 1404073440. Its totient is φ = 106974720.

The previous prime is 401159453. The next prime is 401159569. The reversal of 401159520 is 25951104.

401159520 is a `hidden beast` number, since 40 + 11 + 595 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42111 + ... + 50750.

It is an arithmetic number, because the mean of its divisors is an integer number (14625765).

Almost surely, 2^401159520 is an apocalyptic number.

401159520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401159520 is an abundant number, since it is smaller than the sum of its proper divisors (1002913920).

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

401159520 is a wasteful number, since it uses less digits than its factorization.

401159520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92885 (or 92871 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 401159520 is about 20028.9670227898. The cubic root of 401159520 is about 737.5175642662.

The spelling of 401159520 in words is "four hundred one million, one hundred fifty-nine thousand, five hundred twenty".