42244390988 has 12 divisors (see below), whose sum is σ = 74007268440. Its totient is φ = 21099457152.

The previous prime is 42244390961. The next prime is 42244390999. The reversal of 42244390988 is 88909344224.

It is a super-2 number, since 2×42244390988² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5680406 + ... + 5687837.

It is an arithmetic number, because the mean of its divisors is an integer number (6167272370).

Almost surely, 2^42244390988 is an apocalyptic number.

It is an amenable number.

42244390988 is a deficient number, since it is larger than the sum of its proper divisors (31762877452).

42244390988 is a wasteful number, since it uses less digits than its factorization.

42244390988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11369176 (or 11369174 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 42244390988 in words is "forty-two billion, two hundred forty-four million, three hundred ninety thousand, nine hundred eighty-eight".