1800860076 has 72 divisors (see below), whose sum is σ = 4681941264. Its totient is φ = 583390080.

The previous prime is 1800860069. The next prime is 1800860077. The reversal of 1800860076 is 6700680081.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1800860076.

It is not an unprimeable number, because it can be changed into a prime (1800860077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199746 + ... + 208566.

It is an arithmetic number, because the mean of its divisors is an integer number (65026962).

Almost surely, 2^1800860076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1800860076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2340970632).

1800860076 is an abundant number, since it is smaller than the sum of its proper divisors (2881081188).

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

1800860076 is a wasteful number, since it uses less digits than its factorization.

1800860076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8991 (or 8986 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1800860076 is about 42436.5417535407. The cubic root of 1800860076 is about 1216.6341147814.

The spelling of 1800860076 in words is "one billion, eight hundred million, eight hundred sixty thousand, seventy-six".