913530240 has 384 divisors, whose sum is σ = 3653395200. Its totient is φ = 206032896.

The previous prime is 913530229. The next prime is 913530253. The reversal of 913530240 is 42035319.

913530240 is a `hidden beast` number, since 91 + 3 + 530 + 2 + 40 = 666.

913530240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5604399 + ... + 5604561.

It is an arithmetic number, because the mean of its divisors is an integer number (9514050).

Almost surely, 2^913530240 is an apocalyptic number.

913530240 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 913530240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1826697600).

913530240 is an abundant number, since it is smaller than the sum of its proper divisors (2739864960).

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

913530240 is a wasteful number, since it uses less digits than its factorization.

913530240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 913530240 is about 30224.6627772751. The cubic root of 913530240 is about 970.3036000102.

Adding to 913530240 its reverse (42035319), we get a palindrome (955565559).

The spelling of 913530240 in words is "nine hundred thirteen million, five hundred thirty thousand, two hundred forty".