402403432 has 16 divisors (see below), whose sum is σ = 794217600. Its totient is φ = 190612080.

The previous prime is 402403369. The next prime is 402403439. The reversal of 402403432 is 234304204.

It is not an unprimeable number, because it can be changed into a prime (402403439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323544 + ... + 1323847.

It is an arithmetic number, because the mean of its divisors is an integer number (49638600).

Almost surely, 2^402403432 is an apocalyptic number.

It is an amenable number.

402403432 is a deficient number, since it is larger than the sum of its proper divisors (391814168).

402403432 is a wasteful number, since it uses less digits than its factorization.

402403432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647416 (or 2647412 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 402403432 is about 20059.9958125619. The cubic root of 402403432 is about 738.2790737602.

Adding to 402403432 its reverse (234304204), we get a palindrome (636707636).

The spelling of 402403432 in words is "four hundred two million, four hundred three thousand, four hundred thirty-two".