42557325747 has 8 divisors (see below), whose sum is σ = 56761030656. Its totient is φ = 28362585672.

The previous prime is 42557325743. The next prime is 42557325779. The reversal of 42557325747 is 74752375524.

42557325747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42557325747 - 2² = 42557325743 is a prime.

It is a super-2 number, since 2×42557325747² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42557325747.

It is not an unprimeable number, because it can be changed into a prime (42557325743) 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, 2230123 + ... + 2249124.

It is an arithmetic number, because the mean of its divisors is an integer number (7095128832).

Almost surely, 2^42557325747 is an apocalyptic number.

42557325747 is a deficient number, since it is larger than the sum of its proper divisors (14203704909).

42557325747 is a wasteful number, since it uses less digits than its factorization.

42557325747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482417.

The product of its digits is 8232000, while the sum is 51.

The spelling of 42557325747 in words is "forty-two billion, five hundred fifty-seven million, three hundred twenty-five thousand, seven hundred forty-seven".