214505508402 has 12 divisors (see below), whose sum is σ = 464761934910. Its totient is φ = 71501836128.

The previous prime is 214505508391. The next prime is 214505508403. The reversal of 214505508402 is 204805505412.

214505508402 is a `hidden beast` number, since 2 + 14 + 50 + 550 + 8 + 40 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 109282475241 + 105223033161 = 330579^2 + 324381^2 .

It is a super-2 number, since 2×214505508402² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214505508403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5958486327 + ... + 5958486362.

Almost surely, 2^214505508402 is an apocalyptic number.

214505508402 is an abundant number, since it is smaller than the sum of its proper divisors (250256426508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214505508402 is a wasteful number, since it uses less digits than its factorization.

214505508402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11916972697 (or 11916972694 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 214505508402 in words is "two hundred fourteen billion, five hundred five million, five hundred eight thousand, four hundred two".