42694972272 has 30 divisors (see below), whose sum is σ = 119486624192. Its totient is φ = 14231657376.

The previous prime is 42694972249. The next prime is 42694972277. The reversal of 42694972272 is 27227949624.

42694972272 is a `hidden beast` number, since 4 + 2 + 69 + 497 + 22 + 72 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42694972277) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 148246288 + ... + 148246575.

Almost surely, 2^42694972272 is an apocalyptic number.

It is an amenable number.

42694972272 is an abundant number, since it is smaller than the sum of its proper divisors (76791651920).

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

42694972272 is a wasteful number, since it uses less digits than its factorization.

42694972272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296492877 (or 296492868 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The spelling of 42694972272 in words is "forty-two billion, six hundred ninety-four million, nine hundred seventy-two thousand, two hundred seventy-two".