11902757240 has 32 divisors (see below), whose sum is σ = 29215859760. Its totient is φ = 4328275200.

The previous prime is 11902757221. The next prime is 11902757249. The reversal of 11902757240 is 4275720911.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11902757194 and 11902757203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11902757249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13525421 + ... + 13526300.

Almost surely, 2^11902757240 is an apocalyptic number.

11902757240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11902757240 is an abundant number, since it is smaller than the sum of its proper divisors (17313102520).

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

11902757240 is a wasteful number, since it uses less digits than its factorization.

11902757240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27051743 (or 27051739 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 11902757240 in words is "eleven billion, nine hundred two million, seven hundred fifty-seven thousand, two hundred forty".