11440919000 has 64 divisors (see below), whose sum is σ = 30596304960. Its totient is φ = 3922598400.

The previous prime is 11440918997. The next prime is 11440919033. The reversal of 11440919000 is 91904411.

It is a super-2 number, since 2×11440919000² (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 15 ways as a sum of consecutive naturals, for example, 810209 + ... + 824208.

It is an arithmetic number, because the mean of its divisors is an integer number (478067265).

Almost surely, 2^11440919000 is an apocalyptic number.

11440919000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11440919000 is an abundant number, since it is smaller than the sum of its proper divisors (19155385960).

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

11440919000 is a wasteful number, since it uses less digits than its factorization.

11440919000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634445 (or 1634431 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 11440919000 in words is "eleven billion, four hundred forty million, nine hundred nineteen thousand".