5199740726436 has 45 divisors (see below), whose sum is σ = 13593256669531. Its totient is φ = 1733233227048.

The previous prime is 5199740726363. The next prime is 5199740726443. The reversal of 5199740726436 is 6346270479915.

The square root of 5199740726436 is 2280294.

It is a perfect power (a square), and thus also a powerful number.

5199740726436 is a `hidden beast` number, since 5 + 1 + 9 + 97 + 40 + 72 + 6 + 436 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 40981951 + ... + 41108633.

Almost surely, 2^{5199740726436} is an apocalyptic number.

5199740726436 is the 2280294-th square number.

It is an amenable number.

5199740726436 is an abundant number, since it is smaller than the sum of its proper divisors (8393515943095).

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

5199740726436 is an frugal number, since it uses more digits than its factorization.

5199740726436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253382 (or 126688 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 63.

The spelling of 5199740726436 in words is "five trillion, one hundred ninety-nine billion, seven hundred forty million, seven hundred twenty-six thousand, four hundred thirty-six".