5261647740 has 48 divisors (see below), whose sum is σ = 14791351680. Its totient is φ = 1397512000.

The previous prime is 5261647733. The next prime is 5261647771. The reversal of 5261647740 is 477461625.

It is a junction number, because it is equal to n+sod(n) for n = 5261647692 and 5261647701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159630 + ... + 189749.

It is an arithmetic number, because the mean of its divisors is an integer number (308153160).

Almost surely, 2^5261647740 is an apocalyptic number.

It is an amenable number.

5261647740 is an abundant number, since it is smaller than the sum of its proper divisors (9529703940).

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

5261647740 is a wasteful number, since it uses less digits than its factorization.

5261647740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349642 (or 349640 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 5261647740 is about 72537.2162410442. The cubic root of 5261647740 is about 1739.2977017796.

The spelling of 5261647740 in words is "five billion, two hundred sixty-one million, six hundred forty-seven thousand, seven hundred forty".