1860045672 has 64 divisors (see below), whose sum is σ = 4758624000. Its totient is φ = 605687040.

The previous prime is 1860045631. The next prime is 1860045709. The reversal of 1860045672 is 2765400681.

It is a self number, because there is not a number n which added to its sum of digits gives 1860045672.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213873 + ... + 222399.

It is an arithmetic number, because the mean of its divisors is an integer number (74353500).

Almost surely, 2^1860045672 is an apocalyptic number.

1860045672 is a gapful number since it is divisible by the number (12) 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 1860045672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2379312000).

1860045672 is an abundant number, since it is smaller than the sum of its proper divisors (2898578328).

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

1860045672 is a wasteful number, since it uses less digits than its factorization.

1860045672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8746 (or 8742 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 1860045672 is about 43128.2467995164. The cubic root of 1860045672 is about 1229.8190123018.

The spelling of 1860045672 in words is "one billion, eight hundred sixty million, forty-five thousand, six hundred seventy-two".