11907471840 has 384 divisors, whose sum is σ = 44160463872. Its totient is φ = 2664529920.

The previous prime is 11907471827. The next prime is 11907471847. The reversal of 11907471840 is 4817470911.

It is a junction number, because it is equal to n+sod(n) for n = 11907471792 and 11907471801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11907471847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4756029 + ... + 4758531.

It is an arithmetic number, because the mean of its divisors is an integer number (115001208).

Almost surely, 2^11907471840 is an apocalyptic number.

11907471840 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 11907471840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22080231936).

11907471840 is an abundant number, since it is smaller than the sum of its proper divisors (32252992032).

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

11907471840 is a wasteful number, since it uses less digits than its factorization.

11907471840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602 (or 2594 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 42.

The spelling of 11907471840 in words is "eleven billion, nine hundred seven million, four hundred seventy-one thousand, eight hundred forty".