72140636449399 has 8 divisors (see below), whose sum is σ = 82448428027680. Its totient is φ = 61833341463936.

The previous prime is 72140636449397. The next prime is 72140636449411. The reversal of 72140636449399 is 99394463604127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72140636449399 - 2¹ = 72140636449397 is a prime.

It is a super-2 number, since 2×72140636449399² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72140636449397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123836854 + ... + 124418035.

It is an arithmetic number, because the mean of its divisors is an integer number (10306053503460).

Almost surely, 2^{72140636449399} is an apocalyptic number.

72140636449399 is a deficient number, since it is larger than the sum of its proper divisors (10307791578281).

72140636449399 is a wasteful number, since it uses less digits than its factorization.

72140636449399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248296409.

The product of its (nonzero) digits is 211631616, while the sum is 67.

The spelling of 72140636449399 in words is "seventy-two trillion, one hundred forty billion, six hundred thirty-six million, four hundred forty-nine thousand, three hundred ninety-nine".