1399911180 has 24 divisors (see below), whose sum is σ = 3919751472. Its totient is φ = 373309632.

The previous prime is 1399911179. The next prime is 1399911197. The reversal of 1399911180 is 811199931.

It is a happy number.

It is a super-3 number, since 3×1399911180³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11665867 + ... + 11665986.

It is an arithmetic number, because the mean of its divisors is an integer number (163322978).

Almost surely, 2^1399911180 is an apocalyptic number.

1399911180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1399911180 is an abundant number, since it is smaller than the sum of its proper divisors (2519840292).

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

1399911180 is a wasteful number, since it uses less digits than its factorization.

1399911180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23331865 (or 23331863 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 42.

The square root of 1399911180 is about 37415.3869417383. The cubic root of 1399911180 is about 1118.6652839735.

The spelling of 1399911180 in words is "one billion, three hundred ninety-nine million, nine hundred eleven thousand, one hundred eighty".