1994151714272 has 24 divisors (see below), whose sum is σ = 4156926552576. Its totient is φ = 938424335872.

The previous prime is 1994151714259. The next prime is 1994151714319. The reversal of 1994151714272 is 2724171514991.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1832859488 + ... + 1832860575.

It is an arithmetic number, because the mean of its divisors is an integer number (173205273024).

Almost surely, 2^{1994151714272} is an apocalyptic number.

It is an amenable number.

1994151714272 is an abundant number, since it is smaller than the sum of its proper divisors (2162774838304).

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

1994151714272 is a wasteful number, since it uses less digits than its factorization.

1994151714272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665720090 (or 3665720082 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 53.

The spelling of 1994151714272 in words is "one trillion, nine hundred ninety-four billion, one hundred fifty-one million, seven hundred fourteen thousand, two hundred seventy-two".