1801441080 has 64 divisors (see below), whose sum is σ = 6004807200. Its totient is φ = 480384000.

The previous prime is 1801441073. The next prime is 1801441123. The reversal of 1801441080 is 801441081.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832921 + ... + 835080.

Almost surely, 2^1801441080 is an apocalyptic number.

1801441080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1801441080 is an abundant number, since it is smaller than the sum of its proper divisors (4203366120).

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

1801441080 is a wasteful number, since it uses less digits than its factorization.

1801441080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668021 (or 1668011 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 1801441080 is about 42443.3867640178. The cubic root of 1801441080 is about 1216.7649399155.

Subtracting from 1801441080 its reverse (801441081), we obtain a palindrome (999999999).

The spelling of 1801441080 in words is "one billion, eight hundred one million, four hundred forty-one thousand, eighty".