402250970 has 16 divisors (see below), whose sum is σ = 789874848. Its totient is φ = 146273040.

The previous prime is 402250969. The next prime is 402250987. The reversal of 402250970 is 79052204.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1828304 + ... + 1828523.

It is an arithmetic number, because the mean of its divisors is an integer number (49367178).

Almost surely, 2^402250970 is an apocalyptic number.

402250970 is a deficient number, since it is larger than the sum of its proper divisors (387623878).

402250970 is a wasteful number, since it uses less digits than its factorization.

402250970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656845.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 402250970 is about 20056.1953022003. The cubic root of 402250970 is about 738.1858226316.

The spelling of 402250970 in words is "four hundred two million, two hundred fifty thousand, nine hundred seventy".