402850994 has 32 divisors (see below), whose sum is σ = 761878656. Its totient is φ = 155479680.

The previous prime is 402850993. The next prime is 402851027. The reversal of 402850994 is 499058204.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (402850993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19532 + ... + 34455.

It is an arithmetic number, because the mean of its divisors is an integer number (23808708).

Almost surely, 2^402850994 is an apocalyptic number.

402850994 is a deficient number, since it is larger than the sum of its proper divisors (359027662).

402850994 is a wasteful number, since it uses less digits than its factorization.

402850994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54050.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 402850994 is about 20071.1482979923. The cubic root of 402850994 is about 738.5526824540.

The spelling of 402850994 in words is "four hundred two million, eight hundred fifty thousand, nine hundred ninety-four".