42319266 has 48 divisors (see below), whose sum is σ = 94457664. Its totient is φ = 12628000.

The previous prime is 42319261. The next prime is 42319283. The reversal of 42319266 is 66291324.

42319266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (42319261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51136 + ... + 51956.

It is an arithmetic number, because the mean of its divisors is an integer number (1967868).

Almost surely, 2^42319266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42319266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47228832).

42319266 is an abundant number, since it is smaller than the sum of its proper divisors (52138398).

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

42319266 is a wasteful number, since it uses less digits than its factorization.

42319266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 908 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 42319266 is about 6505.3259718480. The cubic root of 42319266 is about 348.4812176011.

The spelling of 42319266 in words is "forty-two million, three hundred nineteen thousand, two hundred sixty-six".