913244040 has 48 divisors (see below), whose sum is σ = 2968044300. Its totient is φ = 243531648.

The previous prime is 913244023. The next prime is 913244047. The reversal of 913244040 is 40442319.

It can be written as a sum of positive squares in 2 ways, for example, as 878173956 + 35070084 = 29634^2 + 5922^2 .

It is a junction number, because it is equal to n+sod(n) for n = 913243995 and 913244013.

It is not an unprimeable number, because it can be changed into a prime (913244047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1268035 + ... + 1268754.

Almost surely, 2^913244040 is an apocalyptic number.

913244040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

913244040 is an abundant number, since it is smaller than the sum of its proper divisors (2054800260).

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

913244040 is a wasteful number, since it uses less digits than its factorization.

913244040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536806 (or 2536799 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 913244040 is about 30219.9278622567. The cubic root of 913244040 is about 970.2022605823.

Adding to 913244040 its reverse (40442319), we get a palindrome (953686359).

The spelling of 913244040 in words is "nine hundred thirteen million, two hundred forty-four thousand, forty".