1804541240 has 32 divisors (see below), whose sum is σ = 4200228000. Its totient is φ = 696925824.

The previous prime is 1804541213. The next prime is 1804541251. The reversal of 1804541240 is 421454081.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 776660 + ... + 778979.

It is an arithmetic number, because the mean of its divisors is an integer number (131257125).

Almost surely, 2^1804541240 is an apocalyptic number.

1804541240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1804541240 is an abundant number, since it is smaller than the sum of its proper divisors (2395686760).

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

1804541240 is a wasteful number, since it uses less digits than its factorization.

1804541240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555679 (or 1555675 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 1804541240 is about 42479.8921844206. The cubic root of 1804541240 is about 1217.4625303469.

The spelling of 1804541240 in words is "one billion, eight hundred four million, five hundred forty-one thousand, two hundred forty".