11740388440 has 32 divisors (see below), whose sum is σ = 28817318160. Its totient is φ = 4269232000.

The previous prime is 11740388351. The next prime is 11740388503. The reversal of 11740388440 is 4488304711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 11740388393 and 11740388402.

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, 13340911 + ... + 13341790.

Almost surely, 2^11740388440 is an apocalyptic number.

11740388440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11740388440 is an abundant number, since it is smaller than the sum of its proper divisors (17076929720).

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

11740388440 is a wasteful number, since it uses less digits than its factorization.

11740388440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26682723 (or 26682719 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 11740388440 in words is "eleven billion, seven hundred forty million, three hundred eighty-eight thousand, four hundred forty".