402344332 has 24 divisors (see below), whose sum is σ = 763300832. Its totient is φ = 184464000.

The previous prime is 402344309. The next prime is 402344339. The reversal of 402344332 is 233443204.

It is a super-2 number, since 2×402344332² = 323761922985052448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402344297 and 402344306.

It is not an unprimeable number, because it can be changed into a prime (402344339) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17769 + ... + 33472.

Almost surely, 2^402344332 is an apocalyptic number.

It is an amenable number.

402344332 is a deficient number, since it is larger than the sum of its proper divisors (360956500).

402344332 is a wasteful number, since it uses less digits than its factorization.

402344332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51409 (or 51407 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 402344332 is about 20058.5226774057. The cubic root of 402344332 is about 738.2429289148.

Adding to 402344332 its reverse (233443204), we get a palindrome (635787536).

The spelling of 402344332 in words is "four hundred two million, three hundred forty-four thousand, three hundred thirty-two".