42126446 has 4 divisors (see below), whose sum is σ = 63189672. Its totient is φ = 21063222.

The previous prime is 42126443. The next prime is 42126449. The reversal of 42126446 is 64462124.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (42126443) and next prime (42126449).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42126443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10531610 + ... + 10531613.

It is an arithmetic number, because the mean of its divisors is an integer number (15797418).

Almost surely, 2^42126446 is an apocalyptic number.

42126446 is a deficient number, since it is larger than the sum of its proper divisors (21063226).

42126446 is a wasteful number, since it uses less digits than its factorization.

42126446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21063225.

The product of its digits is 9216, while the sum is 29.

The square root of 42126446 is about 6490.4888875954. The cubic root of 42126446 is about 347.9511480727.

The spelling of 42126446 in words is "forty-two million, one hundred twenty-six thousand, four hundred forty-six".