42294459 has 4 divisors (see below), whose sum is σ = 56392616. Its totient is φ = 28196304.

The previous prime is 42294449. The next prime is 42294479. The reversal of 42294459 is 95449224.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42294459 - 2⁴ = 42294443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42294409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7049074 + ... + 7049079.

It is an arithmetic number, because the mean of its divisors is an integer number (14098154).

Almost surely, 2^42294459 is an apocalyptic number.

42294459 is a deficient number, since it is larger than the sum of its proper divisors (14098157).

42294459 is a wasteful number, since it uses less digits than its factorization.

42294459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14098156.

The product of its digits is 103680, while the sum is 39.

The square root of 42294459 is about 6503.4190238674. The cubic root of 42294459 is about 348.4131125819.

The spelling of 42294459 in words is "forty-two million, two hundred ninety-four thousand, four hundred fifty-nine".