42266655 has 24 divisors (see below), whose sum is σ = 74299680. Its totient is φ = 22223040.

The previous prime is 42266647. The next prime is 42266657. The reversal of 42266655 is 55666224.

It is not a de Polignac number, because 42266655 - 2³ = 42266647 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 (42266657) 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, 3420 + ... + 9809.

It is an arithmetic number, because the mean of its divisors is an integer number (3095820).

Almost surely, 2^42266655 is an apocalyptic number.

42266655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42266655 is a deficient number, since it is larger than the sum of its proper divisors (32033025).

42266655 is a wasteful number, since it uses less digits than its factorization.

42266655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13311 (or 13308 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 42266655 is about 6501.2810276129. The cubic root of 42266655 is about 348.3367479551.

The spelling of 42266655 in words is "forty-two million, two hundred sixty-six thousand, six hundred fifty-five".