42821571292 has 24 divisors (see below), whose sum is σ = 76178249280. Its totient is φ = 21056468160.

The previous prime is 42821571277. The next prime is 42821571311. The reversal of 42821571292 is 29217512824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2391798 + ... + 2409634.

It is an arithmetic number, because the mean of its divisors is an integer number (3174093720).

Almost surely, 2^42821571292 is an apocalyptic number.

It is an amenable number.

42821571292 is a deficient number, since it is larger than the sum of its proper divisors (33356677988).

42821571292 is a wasteful number, since it uses less digits than its factorization.

42821571292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27741 (or 27739 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The spelling of 42821571292 in words is "forty-two billion, eight hundred twenty-one million, five hundred seventy-one thousand, two hundred ninety-two".