7266037856 has 192 divisors, whose sum is σ = 18312376320. Its totient is φ = 2756160000.

The previous prime is 7266037843. The next prime is 7266037913. The reversal of 7266037856 is 6587306627.

It is a super-2 number, since 2×7266037856² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 21951611 + ... + 21951941.

It is an arithmetic number, because the mean of its divisors is an integer number (95376960).

Almost surely, 2^7266037856 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 7266037856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9156188160).

7266037856 is an abundant number, since it is smaller than the sum of its proper divisors (11046338464).

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

7266037856 is a wasteful number, since it uses less digits than its factorization.

7266037856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 50.

The square root of 7266037856 is about 85241.0573374122. The cubic root of 7266037856 is about 1936.8644086316.

The spelling of 7266037856 in words is "seven billion, two hundred sixty-six million, thirty-seven thousand, eight hundred fifty-six".