72411136640446 has 32 divisors (see below), whose sum is σ = 110997550430208. Its totient is φ = 35422495731840.

The previous prime is 72411136640407. The next prime is 72411136640527. The reversal of 72411136640446 is 64404663111427.

It is a super-2 number, since 2×72411136640446² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72411136640446.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2238315 + ... + 12240601.

It is an arithmetic number, because the mean of its divisors is an integer number (3468673450944).

Almost surely, 2^{72411136640446} is an apocalyptic number.

72411136640446 is a deficient number, since it is larger than the sum of its proper divisors (38586413789762).

72411136640446 is a wasteful number, since it uses less digits than its factorization.

72411136640446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10002816.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 72411136640446 in words is "seventy-two trillion, four hundred eleven billion, one hundred thirty-six million, six hundred forty thousand, four hundred forty-six".