1840940492800 has 144 divisors (see below), whose sum is σ = 4670572626720. Its totient is φ = 719250309120.

The previous prime is 1840940492759. The next prime is 1840940492813. The reversal of 1840940492800 is 82940490481.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1783509 + ... + 2619691.

It is an arithmetic number, because the mean of its divisors is an integer number (32434532130).

Almost surely, 2^{1840940492800} is an apocalyptic number.

1840940492800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1840940492800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2335286313360).

1840940492800 is an abundant number, since it is smaller than the sum of its proper divisors (2829632133920).

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

1840940492800 is an equidigital number, since it uses as much as digits as its factorization.

1840940492800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836258 (or 836233 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 1840940492800 in words is "one trillion, eight hundred forty billion, nine hundred forty million, four hundred ninety-two thousand, eight hundred".