57981495259380 has 288 divisors, whose sum is σ = 207504752555520. Its totient is φ = 11961424984320.

The previous prime is 57981495259367. The next prime is 57981495259381. The reversal of 57981495259380 is 8395259418975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57981495259381) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1953922 + ... + 10944441.

It is an arithmetic number, because the mean of its divisors is an integer number (720502613040).

Almost surely, 2^{57981495259380} 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 57981495259380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103752376277760).

57981495259380 is an abundant number, since it is smaller than the sum of its proper divisors (149523257296140).

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

57981495259380 is a wasteful number, since it uses less digits than its factorization.

57981495259380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12898539 (or 12898530 counting only the distinct ones).

The product of its (nonzero) digits is 979776000, while the sum is 75.

The spelling of 57981495259380 in words is "fifty-seven trillion, nine hundred eighty-one billion, four hundred ninety-five million, two hundred fifty-nine thousand, three hundred eighty".