272042163440 has 20 divisors (see below), whose sum is σ = 632498030184. Its totient is φ = 108816865344.

The previous prime is 272042163413. The next prime is 272042163487. The reversal of 272042163440 is 44361240272.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 272042163440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700263442 + ... + 1700263601.

Almost surely, 2^272042163440 is an apocalyptic number.

272042163440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272042163440 is an abundant number, since it is smaller than the sum of its proper divisors (360455866744).

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

272042163440 is a wasteful number, since it uses less digits than its factorization.

272042163440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400527056 (or 3400527050 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

The spelling of 272042163440 in words is "two hundred seventy-two billion, forty-two million, one hundred sixty-three thousand, four hundred forty".