7268857440 has 192 divisors, whose sum is σ = 25730804736. Its totient is φ = 1711429632.

The previous prime is 7268857423. The next prime is 7268857451. The reversal of 7268857440 is 447588627.

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, 118197 + ... + 168843.

It is an arithmetic number, because the mean of its divisors is an integer number (134014608).

Almost surely, 2^7268857440 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 7268857440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12865402368).

7268857440 is an abundant number, since it is smaller than the sum of its proper divisors (18461947296).

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

7268857440 is a wasteful number, since it uses less digits than its factorization.

7268857440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50701 (or 50693 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 51.

The square root of 7268857440 is about 85257.5946177231. The cubic root of 7268857440 is about 1937.1149094666.

The spelling of 7268857440 in words is "seven billion, two hundred sixty-eight million, eight hundred fifty-seven thousand, four hundred forty".