402494411 has 18 divisors (see below), whose sum is σ = 460757388. Its totient is φ = 348664360.

The previous prime is 402494383. The next prime is 402494413. The reversal of 402494411 is 114494204.

It is a de Polignac number, because none of the positive numbers 2^k-402494411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402494413) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1530266 + ... + 1530528.

Almost surely, 2^402494411 is an apocalyptic number.

402494411 is a deficient number, since it is larger than the sum of its proper divisors (58262977).

402494411 is an equidigital number, since it uses as much as digits as its factorization.

402494411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 402494411 is about 20062.2633568598. The cubic root of 402494411 is about 738.3347084998.

The spelling of 402494411 in words is "four hundred two million, four hundred ninety-four thousand, four hundred eleven".