1808052317240 has 32 divisors (see below), whose sum is σ = 4381049846880. Its totient is φ = 667588547712.

The previous prime is 1808052317219. The next prime is 1808052317261. The reversal of 1808052317240 is 427132508081.

It is an interprime number because it is at equal distance from previous prime (1808052317219) and next prime (1808052317261).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1738511324 + ... + 1738512363.

It is an arithmetic number, because the mean of its divisors is an integer number (136907807715).

Almost surely, 2^{1808052317240} is an apocalyptic number.

1808052317240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1808052317240 is an abundant number, since it is smaller than the sum of its proper divisors (2572997529640).

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

1808052317240 is a wasteful number, since it uses less digits than its factorization.

1808052317240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477023711 (or 3477023707 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 1808052317240 in words is "one trillion, eight hundred eight billion, fifty-two million, three hundred seventeen thousand, two hundred forty".