912920224320 has 448 divisors, whose sum is σ = 3542131031040. Its totient is φ = 219936301056.

The previous prime is 912920224309. The next prime is 912920224351. The reversal of 912920224320 is 23422029219.

It is a happy number.

912920224320 is a `hidden beast` number, since 9 + 12 + 9 + 202 + 2 + 432 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5192574 + ... + 5365506.

It is an arithmetic number, because the mean of its divisors is an integer number (7906542480).

Almost surely, 2^912920224320 is an apocalyptic number.

912920224320 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 912920224320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1771065515520).

912920224320 is an abundant number, since it is smaller than the sum of its proper divisors (2629210806720).

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

912920224320 is a wasteful number, since it uses less digits than its factorization.

912920224320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173019 (or 173003 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 912920224320 in words is "nine hundred twelve billion, nine hundred twenty million, two hundred twenty-four thousand, three hundred twenty".