42771531896 has 16 divisors (see below), whose sum is σ = 80283901200. Its totient is φ = 21362491584.

The previous prime is 42771531857. The next prime is 42771531899. The reversal of 42771531896 is 69813517724.

42771531896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42771531899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2901485 + ... + 2916188.

It is an arithmetic number, because the mean of its divisors is an integer number (5017743825).

Almost surely, 2^42771531896 is an apocalyptic number.

It is an amenable number.

42771531896 is a deficient number, since it is larger than the sum of its proper divisors (37512369304).

42771531896 is a wasteful number, since it uses less digits than its factorization.

42771531896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818598 (or 5818594 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The spelling of 42771531896 in words is "forty-two billion, seven hundred seventy-one million, five hundred thirty-one thousand, eight hundred ninety-six".