12039790490 has 160 divisors (see below), whose sum is σ = 28841112720. Its totient is φ = 3584673792.

The previous prime is 12039790463. The next prime is 12039790513. The reversal of 12039790490 is 9409793021.

It can be written as a sum of positive squares in 8 ways, for example, as 1642113529 + 10397676961 = 40523^2 + 101969^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5305076 + ... + 5307344.

Almost surely, 2^12039790490 is an apocalyptic number.

12039790490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12039790490 is an abundant number, since it is smaller than the sum of its proper divisors (16801322230).

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

12039790490 is a wasteful number, since it uses less digits than its factorization.

12039790490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 12039790490 in words is "twelve billion, thirty-nine million, seven hundred ninety thousand, four hundred ninety".