42521140526 has 4 divisors (see below), whose sum is σ = 63781710792. Its totient is φ = 21260570262.

The previous prime is 42521140517. The next prime is 42521140547. The reversal of 42521140526 is 62504112524.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42521140492 and 42521140501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10630285130 + ... + 10630285133.

It is an arithmetic number, because the mean of its divisors is an integer number (15945427698).

Almost surely, 2^42521140526 is an apocalyptic number.

42521140526 is a deficient number, since it is larger than the sum of its proper divisors (21260570266).

42521140526 is a wasteful number, since it uses less digits than its factorization.

42521140526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21260570265.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 42521140526 in words is "forty-two billion, five hundred twenty-one million, one hundred forty thousand, five hundred twenty-six".