42816400983 has 24 divisors (see below), whose sum is σ = 65700822096. Its totient is φ = 27848059200.

The previous prime is 42816400981. The next prime is 42816401011. The reversal of 42816400983 is 38900461824.

It is a happy number.

It is not a de Polignac number, because 42816400983 - 2¹ = 42816400981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42816400981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2138808 + ... + 2158733.

It is an arithmetic number, because the mean of its divisors is an integer number (2737534254).

Almost surely, 2^42816400983 is an apocalyptic number.

42816400983 is a deficient number, since it is larger than the sum of its proper divisors (22884421113).

42816400983 is an equidigital number, since it uses as much as digits as its factorization.

42816400983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297597 (or 4297585 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 42816400983 in words is "forty-two billion, eight hundred sixteen million, four hundred thousand, nine hundred eighty-three".