1801301790 has 64 divisors (see below), whose sum is σ = 4522936320. Its totient is φ = 458645760.

The previous prime is 1801301731. The next prime is 1801301819. The reversal of 1801301790 is 971031081.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42231 + ... + 73389.

It is an arithmetic number, because the mean of its divisors is an integer number (70670880).

Almost surely, 2^1801301790 is an apocalyptic number.

1801301790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1801301790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2261468160).

1801301790 is an abundant number, since it is smaller than the sum of its proper divisors (2721634530).

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

1801301790 is a wasteful number, since it uses less digits than its factorization.

1801301790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31257.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 1801301790 is about 42441.7458406225. The cubic root of 1801301790 is about 1216.7335784389.

The spelling of 1801301790 in words is "one billion, eight hundred one million, three hundred one thousand, seven hundred ninety".