402474864745 has 4 divisors (see below), whose sum is σ = 482969837700. Its totient is φ = 321979891792.

The previous prime is 402474864713. The next prime is 402474864763. The reversal of 402474864745 is 547468474204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48950677504 + 353524187241 = 221248^2 + 594579^2 .

It is a cyclic number.

It is not a de Polignac number, because 402474864745 - 2⁵ = 402474864713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40247486470 + ... + 40247486479.

It is an arithmetic number, because the mean of its divisors is an integer number (120742459425).

Almost surely, 2^402474864745 is an apocalyptic number.

It is an amenable number.

402474864745 is a deficient number, since it is larger than the sum of its proper divisors (80494972955).

402474864745 is an equidigital number, since it uses as much as digits as its factorization.

402474864745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80494972954.

The product of its (nonzero) digits is 24084480, while the sum is 55.

The spelling of 402474864745 in words is "four hundred two billion, four hundred seventy-four million, eight hundred sixty-four thousand, seven hundred forty-five".