402156604 has 12 divisors (see below), whose sum is σ = 710002944. Its totient is φ = 199298624.

The previous prime is 402156569. The next prime is 402156613. The reversal of 402156604 is 406651204.

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 3 ways as a sum of consecutive naturals, for example, 444412 + ... + 445315.

It is an arithmetic number, because the mean of its divisors is an integer number (59166912).

Almost surely, 2^402156604 is an apocalyptic number.

It is an amenable number.

402156604 is a deficient number, since it is larger than the sum of its proper divisors (307846340).

402156604 is a wasteful number, since it uses less digits than its factorization.

402156604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889844 (or 889842 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 402156604 is about 20053.8426242952. The cubic root of 402156604 is about 738.1280932565.

The spelling of 402156604 in words is "four hundred two million, one hundred fifty-six thousand, six hundred four".