426534040526 has 48 divisors (see below), whose sum is σ = 751594133520. Its totient is φ = 179974609920.

The previous prime is 426534040523. The next prime is 426534040547. The reversal of 426534040526 is 625040435624.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426534040523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4640 + ... + 923628.

It is an arithmetic number, because the mean of its divisors is an integer number (15658211115).

Almost surely, 2^426534040526 is an apocalyptic number.

426534040526 is a deficient number, since it is larger than the sum of its proper divisors (325060092994).

426534040526 is a wasteful number, since it uses less digits than its factorization.

426534040526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919109 (or 919092 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 426534040526 in words is "four hundred twenty-six billion, five hundred thirty-four million, forty thousand, five hundred twenty-six".