401342032 has 80 divisors (see below), whose sum is σ = 960910720. Its totient is φ = 158132736.

The previous prime is 401342009. The next prime is 401342047. The reversal of 401342032 is 230243104.

It is a super-2 number, since 2×401342032² = 322150853299778048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542719 + ... + 543457.

It is an arithmetic number, because the mean of its divisors is an integer number (12011384).

Almost surely, 2^401342032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401342032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (480455360).

401342032 is an abundant number, since it is smaller than the sum of its proper divisors (559568688).

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

401342032 is a wasteful number, since it uses less digits than its factorization.

401342032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 401342032 is about 20033.5227057051. The cubic root of 401342032 is about 737.6293945902.

Adding to 401342032 its reverse (230243104), we get a palindrome (631585136).

The spelling of 401342032 in words is "four hundred one million, three hundred forty-two thousand, thirty-two".