1880408172 has 12 divisors (see below), whose sum is σ = 4387619096. Its totient is φ = 626802720.

The previous prime is 1880408107. The next prime is 1880408213. The reversal of 1880408172 is 2718040881.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1880408172.

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 3 ways as a sum of consecutive naturals, for example, 78350329 + ... + 78350352.

Almost surely, 2^1880408172 is an apocalyptic number.

1880408172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1880408172 is an abundant number, since it is smaller than the sum of its proper divisors (2507210924).

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

1880408172 is a wasteful number, since it uses less digits than its factorization.

1880408172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156700688 (or 156700686 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 1880408172 is about 43363.6734145068. The cubic root of 1880408172 is about 1234.2904723677.

The spelling of 1880408172 in words is "one billion, eight hundred eighty million, four hundred eight thousand, one hundred seventy-two".