11994494190 has 64 divisors (see below), whose sum is σ = 32943891456. Its totient is φ = 2737873152.

The previous prime is 11994494159. The next prime is 11994494231. The reversal of 11994494190 is 9149449911.

It is a super-2 number, since 2×11994494190² (a number of 21 digits) contains 22 as substring.

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, 117594 + ... + 194466.

It is an arithmetic number, because the mean of its divisors is an integer number (514748304).

Almost surely, 2^11994494190 is an apocalyptic number.

11994494190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11994494190 is an abundant number, since it is smaller than the sum of its proper divisors (20949397266).

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

11994494190 is a wasteful number, since it uses less digits than its factorization.

11994494190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77633.

The product of its (nonzero) digits is 419904, while the sum is 51.

The spelling of 11994494190 in words is "eleven billion, nine hundred ninety-four million, four hundred ninety-four thousand, one hundred ninety".