401542932 has 48 divisors (see below), whose sum is σ = 1107711360. Its totient is φ = 110769792.

The previous prime is 401542919. The next prime is 401542963. The reversal of 401542932 is 239245104.

It is a super-2 number, since 2×401542932² = 322473452478313248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401542932.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79983 + ... + 84854.

It is an arithmetic number, because the mean of its divisors is an integer number (23077320).

Almost surely, 2^401542932 is an apocalyptic number.

401542932 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

401542932 is an abundant number, since it is smaller than the sum of its proper divisors (706168428).

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

401542932 is a wasteful number, since it uses less digits than its factorization.

401542932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164880 (or 164878 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 401542932 is about 20038.5361740822. The cubic root of 401542932 is about 737.7524525757.

The spelling of 401542932 in words is "four hundred one million, five hundred forty-two thousand, nine hundred thirty-two".