15930120490 has 16 divisors (see below), whose sum is σ = 28681825248. Its totient is φ = 6370357456.

The previous prime is 15930120473. The next prime is 15930120497. The reversal of 15930120490 is 9402103951.

It is not an unprimeable number, because it can be changed into a prime (15930120497) 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, 171412 + ... + 247471.

It is an arithmetic number, because the mean of its divisors is an integer number (1792614078).

Almost surely, 2^15930120490 is an apocalyptic number.

15930120490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15930120490 is a deficient number, since it is larger than the sum of its proper divisors (12751704758).

15930120490 is a wasteful number, since it uses less digits than its factorization.

15930120490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422693.

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 15930120490 in words is "fifteen billion, nine hundred thirty million, one hundred twenty thousand, four hundred ninety".