57227219280 has 480 divisors, whose sum is σ = 248492095488. Its totient is φ = 11891059200.

The previous prime is 57227219279. The next prime is 57227219351. The reversal of 57227219280 is 8291272275.

57227219280 is a `hidden beast` number, since 572 + 2 + 72 + 1 + 9 + 2 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1477765 + ... + 1515995.

Almost surely, 2^57227219280 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 57227219280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124246047744).

57227219280 is an abundant number, since it is smaller than the sum of its proper divisors (191264876208).

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

57227219280 is a wasteful number, since it uses less digits than its factorization.

57227219280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38277 (or 38259 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 57227219280 in words is "fifty-seven billion, two hundred twenty-seven million, two hundred nineteen thousand, two hundred eighty".