42526145249281 has 8 divisors (see below), whose sum is σ = 42859870167744. Its totient is φ = 42193361728080.

The previous prime is 42526145249239. The next prime is 42526145249317. The reversal of 42526145249281 is 18294254162524.

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

It is a cyclic number.

It is not a de Polignac number, because 42526145249281 - 2²⁵ = 42526111694849 is a prime.

It is a super-2 number, since 2×42526145249281² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42526145249881) 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, 235258615 + ... + 235439308.

It is an arithmetic number, because the mean of its divisors is an integer number (5357483770968).

Almost surely, 2^{42526145249281} is an apocalyptic number.

It is an amenable number.

42526145249281 is a deficient number, since it is larger than the sum of its proper divisors (333724918463).

42526145249281 is a wasteful number, since it uses less digits than its factorization.

42526145249281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470698631.

The product of its digits is 11059200, while the sum is 55.

The spelling of 42526145249281 in words is "forty-two trillion, five hundred twenty-six billion, one hundred forty-five million, two hundred forty-nine thousand, two hundred eighty-one".