57426357492 has 216 divisors, whose sum is σ = 179497631040. Its totient is φ = 15122142720.

The previous prime is 57426357491. The next prime is 57426357503. The reversal of 57426357492 is 29475362475.

57426357492 is a `hidden beast` number, since 5 + 7 + 4 + 2 + 63 + 574 + 9 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57426357491) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6550392 + ... + 6559152.

Almost surely, 2^57426357492 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 57426357492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89748815520).

57426357492 is an abundant number, since it is smaller than the sum of its proper divisors (122071273548).

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

57426357492 is a wasteful number, since it uses less digits than its factorization.

57426357492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8871 (or 8829 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 54.

The spelling of 57426357492 in words is "fifty-seven billion, four hundred twenty-six million, three hundred fifty-seven thousand, four hundred ninety-two".