57002745675420 has 144 divisors (see below), whose sum is σ = 173427532125120. Its totient is φ = 15155106290688.

The previous prime is 57002745675373. The next prime is 57002745675451. The reversal of 57002745675420 is 2457654720075.

57002745675420 is a `hidden beast` number, since 5 + 7 + 0 + 0 + 2 + 7 + 4 + 567 + 54 + 20 = 666.

It is a super-2 number, since 2×57002745675420² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 305753272 + ... + 305939648.

It is an arithmetic number, because the mean of its divisors is an integer number (1204357861980).

Almost surely, 2^{57002745675420} 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 57002745675420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86713766062560).

57002745675420 is an abundant number, since it is smaller than the sum of its proper divisors (116424786449700).

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

57002745675420 is a wasteful number, since it uses less digits than its factorization.

57002745675420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191484 (or 191479 counting only the distinct ones).

The product of its (nonzero) digits is 16464000, while the sum is 54.

The spelling of 57002745675420 in words is "fifty-seven trillion, two billion, seven hundred forty-five million, six hundred seventy-five thousand, four hundred twenty".