42445799 has 8 divisors (see below), whose sum is σ = 46730640. Its totient is φ = 38232000.

The previous prime is 42445759. The next prime is 42445801. The reversal of 42445799 is 99754424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42445799 - 2¹⁶ = 42380263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42445709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16502 + ... + 18899.

It is an arithmetic number, because the mean of its divisors is an integer number (5841330).

Almost surely, 2^42445799 is an apocalyptic number.

42445799 is a deficient number, since it is larger than the sum of its proper divisors (4284841).

42445799 is a wasteful number, since it uses less digits than its factorization.

42445799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35521.

The product of its digits is 362880, while the sum is 44.

The square root of 42445799 is about 6515.0440520383. The cubic root of 42445799 is about 348.8281872290.

The spelling of 42445799 in words is "forty-two million, four hundred forty-five thousand, seven hundred ninety-nine".