42010305 has 32 divisors (see below), whose sum is σ = 70557696. Its totient is φ = 21303744.

The previous prime is 42010303. The next prime is 42010361. The reversal of 42010305 is 50301024.

It is not a de Polignac number, because 42010305 - 2¹ = 42010303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (42010303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90504 + ... + 90966.

It is an arithmetic number, because the mean of its divisors is an integer number (2204928).

Almost surely, 2^42010305 is an apocalyptic number.

It is an amenable number.

42010305 is a deficient number, since it is larger than the sum of its proper divisors (28547391).

42010305 is a wasteful number, since it uses less digits than its factorization.

42010305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 42010305 is about 6481.5356976568. The cubic root of 42010305 is about 347.6310910961.

Adding to 42010305 its reverse (50301024), we get a palindrome (92311329).

The spelling of 42010305 in words is "forty-two million, ten thousand, three hundred five".