1880406432 has 72 divisors (see below), whose sum is σ = 5519928960. Its totient is φ = 606579840.

The previous prime is 1880406413. The next prime is 1880406433. The reversal of 1880406432 is 2346040881.

1880406432 is a `hidden beast` number, since 1 + 8 + 8 + 0 + 4 + 0 + 643 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1880406433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96382 + ... + 114237.

It is an arithmetic number, because the mean of its divisors is an integer number (76665680).

Almost surely, 2^1880406432 is an apocalyptic number.

1880406432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1880406432 is an abundant number, since it is smaller than the sum of its proper divisors (3639522528).

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

1880406432 is a wasteful number, since it uses less digits than its factorization.

1880406432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210666 (or 210655 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1880406432 is about 43363.6533516262. The cubic root of 1880406432 is about 1234.2900916585.

The spelling of 1880406432 in words is "one billion, eight hundred eighty million, four hundred six thousand, four hundred thirty-two".