1801004790 has 64 divisors (see below), whose sum is σ = 4667959296. Its totient is φ = 442081152.

The previous prime is 1801004789. The next prime is 1801004839. The reversal of 1801004790 is 974001081.

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, 136839 + ... + 149421.

It is an arithmetic number, because the mean of its divisors is an integer number (72936864).

Almost surely, 2^1801004790 is an apocalyptic number.

1801004790 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 1801004790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2333979648).

1801004790 is an abundant number, since it is smaller than the sum of its proper divisors (2866954506).

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

1801004790 is a wasteful number, since it uses less digits than its factorization.

1801004790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12973.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1801004790 is about 42438.2467828255. The cubic root of 1801004790 is about 1216.6667027793. Note that the first 3 decimals are identical.

The spelling of 1801004790 in words is "one billion, eight hundred one million, four thousand, seven hundred ninety".