1850963612544 has 224 divisors, whose sum is σ = 5657256732600. Its totient is φ = 602638009344.

The previous prime is 1850963612507. The next prime is 1850963612599. The reversal of 1850963612544 is 4452163690581.

1850963612544 is a `hidden beast` number, since 1 + 8 + 5 + 0 + 96 + 3 + 6 + 1 + 2 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3781762 + ... + 4243070.

Almost surely, 2^{1850963612544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1850963612544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2828628366300).

1850963612544 is an abundant number, since it is smaller than the sum of its proper divisors (3806293120056).

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

1850963612544 is an frugal number, since it uses more digits than its factorization.

1850963612544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461384 (or 461357 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 1850963612544 in words is "one trillion, eight hundred fifty billion, nine hundred sixty-three million, six hundred twelve thousand, five hundred forty-four".