9104921280 has 672 divisors, whose sum is σ = 39386256000. Its totient is φ = 1918328832.

The previous prime is 9104921269. The next prime is 9104921297. The reversal of 9104921280 is 821294019.

9104921280 is a `hidden beast` number, since 91 + 0 + 492 + 1 + 2 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12841566 + ... + 12842274.

It is an arithmetic number, because the mean of its divisors is an integer number (58610500).

Almost surely, 2^9104921280 is an apocalyptic number.

9104921280 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 9104921280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19693128000).

9104921280 is an abundant number, since it is smaller than the sum of its proper divisors (30281334720).

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

9104921280 is a wasteful number, since it uses less digits than its factorization.

9104921280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 9104921280 is about 95419.7111712250. The cubic root of 9104921280 is about 2088.1357642819.

The spelling of 9104921280 in words is "nine billion, one hundred four million, nine hundred twenty-one thousand, two hundred eighty".