913298734440 has 96 divisors (see below), whose sum is σ = 2989886894280. Its totient is φ = 241768605696.

The previous prime is 913298734433. The next prime is 913298734441. The reversal of 913298734440 is 44437892319.

913298734440 is a `hidden beast` number, since 9 + 1 + 3 + 298 + 7 + 344 + 4 + 0 = 666.

913298734440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 824743687716 + 88555046724 = 908154^2 + 297582^2 .

It is a super-2 number, since 2×913298734440² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (913298734441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9209589 + ... + 9308228.

Almost surely, 2^913298734440 is an apocalyptic number.

913298734440 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

913298734440 is an abundant number, since it is smaller than the sum of its proper divisors (2076588159840).

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

913298734440 is a wasteful number, since it uses less digits than its factorization.

913298734440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18517971 (or 18517964 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 913298734440 in words is "nine hundred thirteen billion, two hundred ninety-eight million, seven hundred thirty-four thousand, four hundred forty".