11880630840 has 256 divisors, whose sum is σ = 41072371200. Its totient is φ = 2724710400.

The previous prime is 11880630833. The next prime is 11880630871. The reversal of 11880630840 is 4803608811.

It is a super-2 number, since 2×11880630840² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1804755 + ... + 1811325.

It is an arithmetic number, because the mean of its divisors is an integer number (160438950).

Almost surely, 2^11880630840 is an apocalyptic number.

11880630840 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 11880630840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20536185600).

11880630840 is an abundant number, since it is smaller than the sum of its proper divisors (29191740360).

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

11880630840 is a wasteful number, since it uses less digits than its factorization.

11880630840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6678 (or 6674 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The spelling of 11880630840 in words is "eleven billion, eight hundred eighty million, six hundred thirty thousand, eight hundred forty".