722457536350240 has 48 divisors (see below), whose sum is σ = 1707137157255768. Its totient is φ = 288926933671936.

The previous prime is 722457536350213. The next prime is 722457536350321. The reversal of 722457536350240 is 42053635754227.

It can be written as a sum of positive squares in 4 ways, for example, as 478167263425296 + 244290272924944 = 21867036^2 + 15629788^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437304727 + ... + 438953686.

Almost surely, 2^{722457536350240} is an apocalyptic number.

It is an amenable number.

722457536350240 is an abundant number, since it is smaller than the sum of its proper divisors (984679620905528).

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

722457536350240 is a wasteful number, since it uses less digits than its factorization.

722457536350240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876263581 (or 876263573 counting only the distinct ones).

The product of its (nonzero) digits is 42336000, while the sum is 55.

The spelling of 722457536350240 in words is "seven hundred twenty-two trillion, four hundred fifty-seven billion, five hundred thirty-six million, three hundred fifty thousand, two hundred forty".