11400481890 has 80 divisors (see below), whose sum is σ = 35033879232. Its totient is φ = 2605823136.

The previous prime is 11400481889. The next prime is 11400481901. The reversal of 11400481890 is 9818400411.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 999664 + ... + 1011003.

Almost surely, 2^11400481890 is an apocalyptic number.

11400481890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11400481890 is an abundant number, since it is smaller than the sum of its proper divisors (23633397342).

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

11400481890 is a wasteful number, since it uses less digits than its factorization.

11400481890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010693 (or 2010684 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 11400481890 in words is "eleven billion, four hundred million, four hundred eighty-one thousand, eight hundred ninety".