11903898240 has 512 divisors, whose sum is σ = 47809440000. Its totient is φ = 2774974464.

The previous prime is 11903898229. The next prime is 11903898271. The reversal of 11903898240 is 4289830911.

11903898240 is a `hidden beast` number, since 1 + 190 + 389 + 82 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4266766 + ... + 4269554.

Almost surely, 2^11903898240 is an apocalyptic number.

11903898240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11903898240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23904720000).

11903898240 is an abundant number, since it is smaller than the sum of its proper divisors (35905541760).

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

11903898240 is a wasteful number, since it uses less digits than its factorization.

11903898240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849 (or 2831 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 11903898240 in words is "eleven billion, nine hundred three million, eight hundred ninety-eight thousand, two hundred forty".