913408634880 has 416 divisors, whose sum is σ = 3711191385600. Its totient is φ = 208778231808.

The previous prime is 913408634837. The next prime is 913408634899. The reversal of 913408634880 is 88436804319.

It is a super-2 number, since 2×913408634880² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3752731 + ... + 3988709.

Almost surely, 2^913408634880 is an apocalyptic number.

913408634880 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 913408634880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1855595692800).

913408634880 is an abundant number, since it is smaller than the sum of its proper divisors (2797782750720).

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

913408634880 is a wasteful number, since it uses less digits than its factorization.

913408634880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236024 (or 235996 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 913408634880 in words is "nine hundred thirteen billion, four hundred eight million, six hundred thirty-four thousand, eight hundred eighty".