402796400 has 30 divisors (see below), whose sum is σ = 967719312. Its totient is φ = 161118400.

The previous prime is 402796391. The next prime is 402796417. The reversal of 402796400 is 4697204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 503096 + ... + 503895.

Almost surely, 2^402796400 is an apocalyptic number.

402796400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402796400 is an abundant number, since it is smaller than the sum of its proper divisors (564922912).

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

402796400 is a wasteful number, since it uses less digits than its factorization.

402796400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007009 (or 1006998 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 402796400 is about 20069.7882400388. The cubic root of 402796400 is about 738.5193182844.

The spelling of 402796400 in words is "four hundred two million, seven hundred ninety-six thousand, four hundred".