5249156339840 has 256 divisors, whose sum is σ = 14570590003200. Its totient is φ = 1771104890880.

The previous prime is 5249156339837. The next prime is 5249156339873. The reversal of 5249156339840 is 489336519425.

It is a happy number.

It is a super-3 number, since 3×5249156339840³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5249156339840.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108629285 + ... + 108677595.

It is an arithmetic number, because the mean of its divisors is an integer number (56916367200).

Almost surely, 2^{5249156339840} 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 5249156339840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7285295001600).

5249156339840 is an abundant number, since it is smaller than the sum of its proper divisors (9321433663360).

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

5249156339840 is a wasteful number, since it uses less digits than its factorization.

5249156339840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48723 (or 48711 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 59.

The spelling of 5249156339840 in words is "five trillion, two hundred forty-nine billion, one hundred fifty-six million, three hundred thirty-nine thousand, eight hundred forty".