990459457330 has 16 divisors (see below), whose sum is σ = 2037516598080. Its totient is φ = 339586099632.

The previous prime is 990459457327. The next prime is 990459457331. The reversal of 990459457330 is 33754954099.

It is a happy number.

It is a super-2 number, since 2×990459457330² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (990459457331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7074710340 + ... + 7074710479.

It is an arithmetic number, because the mean of its divisors is an integer number (127344787380).

Almost surely, 2^990459457330 is an apocalyptic number.

990459457330 is an abundant number, since it is smaller than the sum of its proper divisors (1047057140750).

990459457330 is a wasteful number, since it uses less digits than its factorization.

990459457330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14149420833.

The product of its (nonzero) digits is 18370800, while the sum is 58.

The spelling of 990459457330 in words is "nine hundred ninety billion, four hundred fifty-nine million, four hundred fifty-seven thousand, three hundred thirty".