57352640247280 has 160 divisors (see below), whose sum is σ = 156154907196288. Its totient is φ = 19178773708800.

The previous prime is 57352640247251. The next prime is 57352640247289. The reversal of 57352640247280 is 8274204625375.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57352640247289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81870984 + ... + 82568536.

Almost surely, 2^{57352640247280} 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 57352640247280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78077453598144).

57352640247280 is an abundant number, since it is smaller than the sum of its proper divisors (98802266949008).

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

57352640247280 is a wasteful number, since it uses less digits than its factorization.

57352640247280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701195 (or 701189 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 55.

The spelling of 57352640247280 in words is "fifty-seven trillion, three hundred fifty-two billion, six hundred forty million, two hundred forty-seven thousand, two hundred eighty".