401432532 has 24 divisors (see below), whose sum is σ = 985975200. Its totient is φ = 126768096.

The previous prime is 401432527. The next prime is 401432539. The reversal of 401432532 is 235234104.

It is a super-2 number, since 2×401432532² = 322296155495862048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401432539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880107 + ... + 880562.

It is an arithmetic number, because the mean of its divisors is an integer number (41082300).

Almost surely, 2^401432532 is an apocalyptic number.

It is an amenable number.

401432532 is an abundant number, since it is smaller than the sum of its proper divisors (584542668).

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

401432532 is a wasteful number, since it uses less digits than its factorization.

401432532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760695 (or 1760693 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 401432532 is about 20035.7812924777. The cubic root of 401432532 is about 737.6848339561.

Adding to 401432532 its reverse (235234104), we get a palindrome (636666636).

The spelling of 401432532 in words is "four hundred one million, four hundred thirty-two thousand, five hundred thirty-two".