1944050181264 has 45 divisors (see below), whose sum is σ = 5440687263219. Its totient is φ = 648011149920.

The previous prime is 1944050181257. The next prime is 1944050181277. The reversal of 1944050181264 is 4621810504491.

The square root of 1944050181264 is 1394292.

It is a perfect power (a square), and thus also a powerful number.

1944050181264 is a `hidden beast` number, since 1 + 9 + 4 + 4 + 0 + 501 + 81 + 2 + 64 = 666.

It is a super-2 number, since 2×1944050181264² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16673409 + ... + 16789599.

Almost surely, 2^{1944050181264} is an apocalyptic number.

1944050181264 is the 1394292-nd square number.

It is an amenable number.

1944050181264 is an abundant number, since it is smaller than the sum of its proper divisors (3496637081955).

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

1944050181264 is an frugal number, since it uses more digits than its factorization.

1944050181264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232396 (or 116196 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 1944050181264 in words is "one trillion, nine hundred forty-four billion, fifty million, one hundred eighty-one thousand, two hundred sixty-four".