402231001432 has 32 divisors (see below), whose sum is σ = 813248084880. Its totient is φ = 185404878720.

The previous prime is 402231001427. The next prime is 402231001561. The reversal of 402231001432 is 234100132204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2421294 + ... + 2582077.

Almost surely, 2^402231001432 is an apocalyptic number.

It is an amenable number.

402231001432 is an abundant number, since it is smaller than the sum of its proper divisors (411017083448).

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

402231001432 is a wasteful number, since it uses less digits than its factorization.

402231001432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004163 (or 5004159 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 402231001432 its reverse (234100132204), we get a palindrome (636331133636).

The spelling of 402231001432 in words is "four hundred two billion, two hundred thirty-one million, one thousand, four hundred thirty-two".