990120301242480 has 160 divisors (see below), whose sum is σ = 3410820967444800. Its totient is φ = 264000601893888.

The previous prime is 990120301242469. The next prime is 990120301242557. The reversal of 990120301242480 is 84242103021099.

990120301242480 is a `hidden beast` number, since 9 + 9 + 0 + 1 + 20 + 301 + 242 + 4 + 80 = 666.

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

It is a congruent number.

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, 9200599 + ... + 45441078.

It is an arithmetic number, because the mean of its divisors is an integer number (21317631046530).

Almost surely, 2^{990120301242480} is an apocalyptic number.

990120301242480 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

990120301242480 is an abundant number, since it is smaller than the sum of its proper divisors (2420700666202320).

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

990120301242480 is a wasteful number, since it uses less digits than its factorization.

990120301242480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54650088 (or 54650076 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 990120301242480 in words is "nine hundred ninety trillion, one hundred twenty billion, three hundred one million, two hundred forty-two thousand, four hundred eighty".