402024321432 has 96 divisors (see below), whose sum is σ = 1179674804880. Its totient is φ = 123192115200.

The previous prime is 402024321421. The next prime is 402024321463. The reversal of 402024321432 is 234123420204.

402024321432 is a `hidden beast` number, since 4 + 0 + 202 + 4 + 3 + 21 + 432 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 402024321396 and 402024321405.

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 23 ways as a sum of consecutive naturals, for example, 3766569 + ... + 3871832.

Almost surely, 2^402024321432 is an apocalyptic number.

It is an amenable number.

402024321432 is an abundant number, since it is smaller than the sum of its proper divisors (777650483448).

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

402024321432 is a wasteful number, since it uses less digits than its factorization.

402024321432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638473 (or 7638466 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 402024321432 its reverse (234123420204), we get a palindrome (636147741636).

It can be divided in two parts, 40202 and 4321432, that added together give a palindrome (4361634).

The spelling of 402024321432 in words is "four hundred two billion, twenty-four million, three hundred twenty-one thousand, four hundred thirty-two".