4080785172 has 12 divisors (see below), whose sum is σ = 9521832096. Its totient is φ = 1360261720.

The previous prime is 4080785123. The next prime is 4080785197. The reversal of 4080785172 is 2715870804.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170032704 + ... + 170032727.

It is an arithmetic number, because the mean of its divisors is an integer number (793486008).

Almost surely, 2^4080785172 is an apocalyptic number.

It is an amenable number.

4080785172 is an abundant number, since it is smaller than the sum of its proper divisors (5441046924).

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

4080785172 is a wasteful number, since it uses less digits than its factorization.

4080785172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340065438 (or 340065436 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 4080785172 is about 63881.0235672535. The cubic root of 4080785172 is about 1598.0164445627.

The spelling of 4080785172 in words is "four billion, eighty million, seven hundred eighty-five thousand, one hundred seventy-two".