402488070 has 32 divisors (see below), whose sum is σ = 967776768. Its totient is φ = 107129568.

The previous prime is 402488069. The next prime is 402488083. The reversal of 402488070 is 70884204.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4147 + ... + 28673.

It is an arithmetic number, because the mean of its divisors is an integer number (30243024).

Almost surely, 2^402488070 is an apocalyptic number.

402488070 is an abundant number, since it is smaller than the sum of its proper divisors (565288698).

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

402488070 is a wasteful number, since it uses less digits than its factorization.

402488070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25084.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 402488070 is about 20062.1053232207. The cubic root of 402488070 is about 738.3308311748.

The spelling of 402488070 in words is "four hundred two million, four hundred eighty-eight thousand, seventy".