11904462880 has 96 divisors (see below), whose sum is σ = 29880854640. Its totient is φ = 4473262080.

The previous prime is 11904462859. The next prime is 11904462881. The reversal of 11904462880 is 8826440911.

It can be written as a sum of positive squares in 8 ways, for example, as 6489269136 + 5415193744 = 80556^2 + 73588^2 .

It is a super-2 number, since 2×11904462880² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11904462881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137010 + ... + 206350.

Almost surely, 2^11904462880 is an apocalyptic number.

11904462880 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 11904462880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14940427320).

11904462880 is an abundant number, since it is smaller than the sum of its proper divisors (17976391760).

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

11904462880 is a wasteful number, since it uses less digits than its factorization.

11904462880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69422 (or 69414 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 11904462880 in words is "eleven billion, nine hundred four million, four hundred sixty-two thousand, eight hundred eighty".