272387475121440 has 192 divisors, whose sum is σ = 981400672836864. Its totient is φ = 62208834797568.

The previous prime is 272387475121439. The next prime is 272387475121453. The reversal of 272387475121440 is 44121574783272.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29217249 + ... + 37395488.

It is an arithmetic number, because the mean of its divisors is an integer number (5111461837692).

Almost surely, 2^{272387475121440} is an apocalyptic number.

272387475121440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272387475121440 is an abundant number, since it is smaller than the sum of its proper divisors (709013197715424).

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

272387475121440 is a wasteful number, since it uses less digits than its factorization.

272387475121440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66613979 (or 66613971 counting only the distinct ones).

The product of its (nonzero) digits is 21073920, while the sum is 57.

The spelling of 272387475121440 in words is "two hundred seventy-two trillion, three hundred eighty-seven billion, four hundred seventy-five million, one hundred twenty-one thousand, four hundred forty".