11902407840 has 576 divisors, whose sum is σ = 44682140160. Its totient is φ = 2956953600.

The previous prime is 11902407833. The next prime is 11902407919. The reversal of 11902407840 is 4870420911.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11902407795 and 11902407804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 195121410 + ... + 195121470.

It is an arithmetic number, because the mean of its divisors is an integer number (77573160).

Almost surely, 2^11902407840 is an apocalyptic number.

11902407840 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 11902407840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22341070080).

11902407840 is an abundant number, since it is smaller than the sum of its proper divisors (32779732320).

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

11902407840 is a wasteful number, since it uses less digits than its factorization.

11902407840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 11902407840 in words is "eleven billion, nine hundred two million, four hundred seven thousand, eight hundred forty".