11400549040 has 40 divisors (see below), whose sum is σ = 26566737120. Its totient is φ = 4549817856.

The previous prime is 11400549029. The next prime is 11400549059. The reversal of 11400549040 is 4094500411.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127189 + ... + 197428.

It is an arithmetic number, because the mean of its divisors is an integer number (664168428).

Almost surely, 2^11400549040 is an apocalyptic number.

11400549040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11400549040 is an abundant number, since it is smaller than the sum of its proper divisors (15166188080).

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

11400549040 is a wasteful number, since it uses less digits than its factorization.

11400549040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325069 (or 325063 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 11400549040 in words is "eleven billion, four hundred million, five hundred forty-nine thousand, forty".