42464259 has 24 divisors (see below), whose sum is σ = 64995840. Its totient is φ = 26641008.

The previous prime is 42464239. The next prime is 42464267. The reversal of 42464259 is 95246424.

42464259 is a `hidden beast` number, since 4 + 2 + 4 + 642 + 5 + 9 = 666.

It is not a de Polignac number, because 42464259 - 2¹⁶ = 42398723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42464239) 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, 27814 + ... + 29300.

It is an arithmetic number, because the mean of its divisors is an integer number (2708160).

Almost surely, 2^42464259 is an apocalyptic number.

42464259 is a deficient number, since it is larger than the sum of its proper divisors (22531581).

42464259 is a wasteful number, since it uses less digits than its factorization.

42464259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679 (or 1676 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 42464259 is about 6516.4606190784. The cubic root of 42464259 is about 348.8787492414.

The spelling of 42464259 in words is "forty-two million, four hundred sixty-four thousand, two hundred fifty-nine".