1850564812800 has 672 divisors, whose sum is σ = 6757554988800. Its totient is φ = 443082342400.

The previous prime is 1850564812783. The next prime is 1850564812829. The reversal of 1850564812800 is 82184650581.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1850564812800.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 560945551 + ... + 560948849.

It is an arithmetic number, because the mean of its divisors is an integer number (10055885400).

Almost surely, 2^{1850564812800} is an apocalyptic number.

1850564812800 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 1850564812800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3378777494400).

1850564812800 is an abundant number, since it is smaller than the sum of its proper divisors (4906990176000).

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

1850564812800 is a wasteful number, since it uses less digits than its factorization.

1850564812800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432 (or 3403 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 48.

The spelling of 1850564812800 in words is "one trillion, eight hundred fifty billion, five hundred sixty-four million, eight hundred twelve thousand, eight hundred".