42269499 has 16 divisors (see below), whose sum is σ = 62727840. Its totient is φ = 28131840.

The previous prime is 42269459. The next prime is 42269519. The reversal of 42269499 is 99496224.

It is a happy number.

It is not a de Polignac number, because 42269499 - 2⁷ = 42269371 is a prime.

It is a super-2 number, since 2×42269499² = 3573421091422002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42269459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22899 + ... + 24675.

It is an arithmetic number, because the mean of its divisors is an integer number (3920490).

Almost surely, 2^42269499 is an apocalyptic number.

42269499 is a deficient number, since it is larger than the sum of its proper divisors (20458341).

42269499 is a wasteful number, since it uses less digits than its factorization.

42269499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667 (or 2661 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 42269499 is about 6501.4997500577. The cubic root of 42269499 is about 348.3445606346.

The spelling of 42269499 in words is "forty-two million, two hundred sixty-nine thousand, four hundred ninety-nine".