42804495 has 24 divisors (see below), whose sum is σ = 77422176. Its totient is φ = 21835968.

The previous prime is 42804467. The next prime is 42804497. The reversal of 42804495 is 59440824.

It is not a de Polignac number, because 42804495 - 2⁸ = 42804239 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42804497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19644 + ... + 21713.

It is an arithmetic number, because the mean of its divisors is an integer number (3225924).

Almost surely, 2^42804495 is an apocalyptic number.

42804495 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42804495 is a deficient number, since it is larger than the sum of its proper divisors (34617681).

42804495 is a wasteful number, since it uses less digits than its factorization.

42804495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41391 (or 41388 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 42804495 is about 6542.5144248981. The cubic root of 42804495 is about 349.8080444021.

The spelling of 42804495 in words is "forty-two million, eight hundred four thousand, four hundred ninety-five".