1944854751144 has 64 divisors (see below), whose sum is σ = 5294522952000. Its totient is φ = 592986562560.

The previous prime is 1944854751121. The next prime is 1944854751247. The reversal of 1944854751144 is 4411574584491.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73521817 + ... + 73548264.

It is an arithmetic number, because the mean of its divisors is an integer number (82726921125).

Almost surely, 2^{1944854751144} is an apocalyptic number.

It is an amenable number.

1944854751144 is an abundant number, since it is smaller than the sum of its proper divisors (3349668200856).

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

1944854751144 is a wasteful number, since it uses less digits than its factorization.

1944854751144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147070138 (or 147070134 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 57.

The spelling of 1944854751144 in words is "one trillion, nine hundred forty-four billion, eight hundred fifty-four million, seven hundred fifty-one thousand, one hundred forty-four".