11400662140 has 24 divisors (see below), whose sum is σ = 27361589472. Its totient is φ = 3908798400.

The previous prime is 11400662137. The next prime is 11400662159. The reversal of 11400662140 is 4126600411.

It is a congruent number.

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, 40716511 + ... + 40716790.

It is an arithmetic number, because the mean of its divisors is an integer number (1140066228).

Almost surely, 2^11400662140 is an apocalyptic number.

11400662140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11400662140 is an abundant number, since it is smaller than the sum of its proper divisors (15960927332).

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

11400662140 is a wasteful number, since it uses less digits than its factorization.

11400662140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81433317 (or 81433315 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 11400662140 in words is "eleven billion, four hundred million, six hundred sixty-two thousand, one hundred forty".