11439918290 has 32 divisors (see below), whose sum is σ = 21813732864. Its totient is φ = 4304700160.

The previous prime is 11439918253. The next prime is 11439918323. The reversal of 11439918290 is 9281993411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359945 + ... + 390435.

It is an arithmetic number, because the mean of its divisors is an integer number (681679152).

Almost surely, 2^11439918290 is an apocalyptic number.

11439918290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11439918290 is a deficient number, since it is larger than the sum of its proper divisors (10373814574).

11439918290 is a wasteful number, since it uses less digits than its factorization.

11439918290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32722.

The product of its (nonzero) digits is 139968, while the sum is 47.

The spelling of 11439918290 in words is "eleven billion, four hundred thirty-nine million, nine hundred eighteen thousand, two hundred ninety".