57241212880 has 80 divisors (see below), whose sum is σ = 134094096000. Its totient is φ = 22723315200.

The previous prime is 57241212851. The next prime is 57241212913. The reversal of 57241212880 is 8821214275.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20522526 + ... + 20525314.

It is an arithmetic number, because the mean of its divisors is an integer number (1676176200).

Almost surely, 2^57241212880 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 57241212880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67047048000).

57241212880 is an abundant number, since it is smaller than the sum of its proper divisors (76852883120).

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

57241212880 is a wasteful number, since it uses less digits than its factorization.

57241212880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4652 (or 4646 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The spelling of 57241212880 in words is "fifty-seven billion, two hundred forty-one million, two hundred twelve thousand, eight hundred eighty".