42609266 has 16 divisors (see below), whose sum is σ = 73180800. Its totient is φ = 18227040.

The previous prime is 42609263. The next prime is 42609277. The reversal of 42609266 is 66290624.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42609263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5846 + ... + 10926.

It is an arithmetic number, because the mean of its divisors is an integer number (4573800).

Almost surely, 2^42609266 is an apocalyptic number.

42609266 is a deficient number, since it is larger than the sum of its proper divisors (30571534).

42609266 is a wasteful number, since it uses less digits than its factorization.

42609266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 42609266 is about 6527.5773453863. The cubic root of 42609266 is about 349.2754152550.

It can be divided in two parts, 42609 and 266, that added together give a cube (42875 = 35³).

The spelling of 42609266 in words is "forty-two million, six hundred nine thousand, two hundred sixty-six".