11240277640 has 32 divisors (see below), whose sum is σ = 26621712000. Its totient is φ = 4259473344.

The previous prime is 11240277637. The next prime is 11240277689. The reversal of 11240277640 is 4677204211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11240277596 and 11240277605.

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, 7394160 + ... + 7395679.

It is an arithmetic number, because the mean of its divisors is an integer number (831928500).

Almost surely, 2^11240277640 is an apocalyptic number.

11240277640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11240277640 is an abundant number, since it is smaller than the sum of its proper divisors (15381434360).

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

11240277640 is a wasteful number, since it uses less digits than its factorization.

11240277640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14789869 (or 14789865 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 11240277640 in words is "eleven billion, two hundred forty million, two hundred seventy-seven thousand, six hundred forty".