913454115840 has 1408 divisors, whose sum is σ = 3836731729920. Its totient is φ = 201804742656.

The previous prime is 913454115631. The next prime is 913454115859. The reversal of 913454115840 is 48511454319.

913454115840 is a `hidden beast` number, since 9 + 1 + 3 + 4 + 54 + 11 + 584 + 0 = 666.

It is a super-2 number, since 2×913454115840² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4732922784 + ... + 4732922976.

Almost surely, 2^913454115840 is an apocalyptic number.

913454115840 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 913454115840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1918365864960).

913454115840 is an abundant number, since it is smaller than the sum of its proper divisors (2923277614080).

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

913454115840 is a wasteful number, since it uses less digits than its factorization.

913454115840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 913454115840 in words is "nine hundred thirteen billion, four hundred fifty-four million, one hundred fifteen thousand, eight hundred forty".