1804802240 has 56 divisors (see below), whose sum is σ = 4445904240. Its totient is φ = 697023488.

The previous prime is 1804802221. The next prime is 1804802257. The reversal of 1804802240 is 422084081.

It is a super-2 number, since 2×1804802240² = 6514622251018035200, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87962 + ... + 106521.

Almost surely, 2^1804802240 is an apocalyptic number.

1804802240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1804802240 is an abundant number, since it is smaller than the sum of its proper divisors (2641102000).

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

1804802240 is a wasteful number, since it uses less digits than its factorization.

1804802240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194529 (or 194519 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 1804802240 is about 42482.9641150426. The cubic root of 1804802240 is about 1217.5212234550.

The spelling of 1804802240 in words is "one billion, eight hundred four million, eight hundred two thousand, two hundred forty".