42094667439 has 32 divisors (see below), whose sum is σ = 68388065280. Its totient is φ = 25378315200.

The previous prime is 42094667431. The next prime is 42094667443. The reversal of 42094667439 is 93476649024.

42094667439 is a `hidden beast` number, since 420 + 94 + 66 + 74 + 3 + 9 = 666.

It is not a de Polignac number, because 42094667439 - 2³ = 42094667431 is a prime.

It is a super-2 number, since 2×42094667439² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42094667431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314302 + ... + 427755.

It is an arithmetic number, because the mean of its divisors is an integer number (2137127040).

Almost surely, 2^42094667439 is an apocalyptic number.

42094667439 is a deficient number, since it is larger than the sum of its proper divisors (26293397841).

42094667439 is a wasteful number, since it uses less digits than its factorization.

42094667439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742268 (or 742262 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 42094667439 in words is "forty-two billion, ninety-four million, six hundred sixty-seven thousand, four hundred thirty-nine".