42611646 has 32 divisors (see below), whose sum is σ = 106253568. Its totient is φ = 11067840.

The previous prime is 42611641. The next prime is 42611693. The reversal of 42611646 is 64611624.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42611641) 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, 45655 + ... + 46578.

It is an arithmetic number, because the mean of its divisors is an integer number (3320424).

Almost surely, 2^42611646 is an apocalyptic number.

42611646 is an abundant number, since it is smaller than the sum of its proper divisors (63641922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42611646 is a wasteful number, since it uses less digits than its factorization.

42611646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92256.

The product of its digits is 6912, while the sum is 30.

The square root of 42611646 is about 6527.7596463105. The cubic root of 42611646 is about 349.2819182225.

The spelling of 42611646 in words is "forty-two million, six hundred eleven thousand, six hundred forty-six".