7236989879544 has 384 divisors, whose sum is σ = 21369841459200. Its totient is φ = 2204046028800.

The previous prime is 7236989879473. The next prime is 7236989879579. The reversal of 7236989879544 is 4459789896327.

7236989879544 is a `hidden beast` number, since 7 + 2 + 3 + 69 + 8 + 9 + 8 + 7 + 9 + 544 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3377035737 + ... + 3377037879.

It is an arithmetic number, because the mean of its divisors is an integer number (55650628800).

Almost surely, 2^{7236989879544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7236989879544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10684920729600).

7236989879544 is an abundant number, since it is smaller than the sum of its proper divisors (14132851579656).

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

7236989879544 is a wasteful number, since it uses less digits than its factorization.

7236989879544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795 (or 2788 counting only the distinct ones).

The product of its digits is 6584094720, while the sum is 81.

The spelling of 7236989879544 in words is "seven trillion, two hundred thirty-six billion, nine hundred eighty-nine million, eight hundred seventy-nine thousand, five hundred forty-four".