402802718361 has 32 divisors (see below), whose sum is σ = 563725772160. Its totient is φ = 255485228544.

The previous prime is 402802718291. The next prime is 402802718371. The reversal of 402802718361 is 163817208204.

It is not a de Polignac number, because 402802718361 - 2¹⁷ = 402802587289 is a prime.

It is a super-2 number, since 2×402802718361² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (402802718371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6912630 + ... + 6970656.

It is an arithmetic number, because the mean of its divisors is an integer number (17616430380).

Almost surely, 2^402802718361 is an apocalyptic number.

It is an amenable number.

402802718361 is a deficient number, since it is larger than the sum of its proper divisors (160923053799).

402802718361 is a wasteful number, since it uses less digits than its factorization.

402802718361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59225.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 402802718361 in words is "four hundred two billion, eight hundred two million, seven hundred eighteen thousand, three hundred sixty-one".