57013120744420 has 24 divisors (see below), whose sum is σ = 122511915275904. Its totient is φ = 22274893685856.

The previous prime is 57013120744417. The next prime is 57013120744423. The reversal of 57013120744420 is 2444702131075.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (57013120744417) and next prime (57013120744423).

It is a super-2 number, since 2×57013120744420² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57013120744423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33147162364 + ... + 33147164083.

It is an arithmetic number, because the mean of its divisors is an integer number (5104663136496).

Almost surely, 2^{57013120744420} is an apocalyptic number.

It is an amenable number.

57013120744420 is an abundant number, since it is smaller than the sum of its proper divisors (65498794531484).

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

57013120744420 is a wasteful number, since it uses less digits than its factorization.

57013120744420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66294326499 (or 66294326497 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

Adding to 57013120744420 its reverse (2444702131075), we get a palindrome (59457822875495).

The spelling of 57013120744420 in words is "fifty-seven trillion, thirteen billion, one hundred twenty million, seven hundred forty-four thousand, four hundred twenty".