99180480 has 112 divisors (see below), whose sum is σ = 359907840. Its totient is φ = 22668288.

The previous prime is 99180467. The next prime is 99180491. The reversal of 99180480 is 8408199.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×99180480² = 19673535226060800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660 + ... + 14099.

Almost surely, 2^99180480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99180480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179953920).

99180480 is an abundant number, since it is smaller than the sum of its proper divisors (260727360).

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

99180480 is a wasteful number, since it uses less digits than its factorization.

99180480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14786 (or 14776 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 99180480 is about 9958.9397025989. The cubic root of 99180480 is about 462.8874454871.

The spelling of 99180480 in words is "ninety-nine million, one hundred eighty thousand, four hundred eighty".