402002332 has 24 divisors (see below), whose sum is σ = 747321120. Its totient is φ = 188559360.

The previous prime is 402002329. The next prime is 402002333. The reversal of 402002332 is 233200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402002333) 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, 11644 + ... + 30652.

It is an arithmetic number, because the mean of its divisors is an integer number (31138380).

Almost surely, 2^402002332 is an apocalyptic number.

It is an amenable number.

402002332 is a deficient number, since it is larger than the sum of its proper divisors (345318788).

402002332 is a wasteful number, since it uses less digits than its factorization.

402002332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19341 (or 19339 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 402002332 is about 20049.9958104734. The cubic root of 402002332 is about 738.0336963142.

Adding to 402002332 its reverse (233200204), we get a palindrome (635202536).

The spelling of 402002332 in words is "four hundred two million, two thousand, three hundred thirty-two".