402606620265 has 16 divisors (see below), whose sum is σ = 659882071296. Its totient is φ = 209486371200.

The previous prime is 402606620243. The next prime is 402606620291. The reversal of 402606620265 is 562026606204.

It is not a de Polignac number, because 402606620265 - 2¹⁰ = 402606619241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327321841 + ... + 327323070.

It is an arithmetic number, because the mean of its divisors is an integer number (41242629456).

Almost surely, 2^402606620265 is an apocalyptic number.

It is an amenable number.

402606620265 is a deficient number, since it is larger than the sum of its proper divisors (257275451031).

402606620265 is a wasteful number, since it uses less digits than its factorization.

402606620265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654644960.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 402606620265 in words is "four hundred two billion, six hundred six million, six hundred twenty thousand, two hundred sixty-five".