42775522044 has 24 divisors (see below), whose sum is σ = 99976195200. Its totient is φ = 14234701104.

The previous prime is 42775522039. The next prime is 42775522051. The reversal of 42775522044 is 44022557724.

It is a happy number.

It is a super-2 number, since 2×42775522044² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42775521987 and 42775522005.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2968294 + ... + 2982669.

It is an arithmetic number, because the mean of its divisors is an integer number (4165674800).

Almost surely, 2^42775522044 is an apocalyptic number.

It is an amenable number.

42775522044 is an abundant number, since it is smaller than the sum of its proper divisors (57200673156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42775522044 is a wasteful number, since it uses less digits than its factorization.

42775522044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951569 (or 5951567 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 42.

The spelling of 42775522044 in words is "forty-two billion, seven hundred seventy-five million, five hundred twenty-two thousand, forty-four".