272623796442 has 80 divisors (see below), whose sum is σ = 619517124072. Its totient is φ = 89590717440.

The previous prime is 272623796437. The next prime is 272623796461. The reversal of 272623796442 is 244697326272.

272623796442 is a `hidden beast` number, since 2 + 7 + 2 + 623 + 7 + 9 + 6 + 4 + 4 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 250031000961 + 22592795481 = 500031^2 + 150309^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42061842 + ... + 42068322.

Almost surely, 2^272623796442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272623796442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309758562036).

272623796442 is an abundant number, since it is smaller than the sum of its proper divisors (346893327630).

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

272623796442 is a wasteful number, since it uses less digits than its factorization.

272623796442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10125 (or 10116 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 54.

The spelling of 272623796442 in words is "two hundred seventy-two billion, six hundred twenty-three million, seven hundred ninety-six thousand, four hundred forty-two".