42544620526526 has 16 divisors (see below), whose sum is σ = 64232198414880. Its totient is φ = 21133924812000.

The previous prime is 42544620526523. The next prime is 42544620526579. The reversal of 42544620526526 is 62562502644524.

It is a super-3 number, since 3×42544620526526³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42544620526523) 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, 6973850 + ... + 11563901.

It is an arithmetic number, because the mean of its divisors is an integer number (4014512400930).

Almost surely, 2^{42544620526526} is an apocalyptic number.

42544620526526 is a deficient number, since it is larger than the sum of its proper divisors (21687577888354).

42544620526526 is a wasteful number, since it uses less digits than its factorization.

42544620526526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18545219.

The product of its (nonzero) digits is 27648000, while the sum is 53.

The spelling of 42544620526526 in words is "forty-two trillion, five hundred forty-four billion, six hundred twenty million, five hundred twenty-six thousand, five hundred twenty-six".