534640356 has 36 divisors (see below), whose sum is σ = 1373612604. Its totient is φ = 175291200.

The previous prime is 534640333. The next prime is 534640357. The reversal of 534640356 is 653046435.

534640356 is a `hidden beast` number, since 5 + 3 + 4 + 640 + 3 + 5 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 196448256 + 338192100 = 14016^2 + 18390^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 534640356.

It is not an unprimeable number, because it can be changed into a prime (534640357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119535 + ... + 123926.

Almost surely, 2^534640356 is an apocalyptic number.

It is an amenable number.

534640356 is an abundant number, since it is smaller than the sum of its proper divisors (838972248).

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

534640356 is a wasteful number, since it uses less digits than its factorization.

534640356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243532 (or 243527 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 534640356 is about 23122.2913224447. The cubic root of 534640356 is about 811.6221903078.

The spelling of 534640356 in words is "five hundred thirty-four million, six hundred forty thousand, three hundred fifty-six".