42206364 has 36 divisors (see below), whose sum is σ = 107695224. Its totient is φ = 13936032.

The previous prime is 42206363. The next prime is 42206371. The reversal of 42206364 is 46360224.

42206364 is a `hidden beast` number, since 4 + 2 + 20 + 636 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42206363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1627 + ... + 9330.

It is an arithmetic number, because the mean of its divisors is an integer number (2991534).

Almost surely, 2^42206364 is an apocalyptic number.

It is an amenable number.

42206364 is an abundant number, since it is smaller than the sum of its proper divisors (65488860).

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

42206364 is a wasteful number, since it uses less digits than its factorization.

42206364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11074 (or 11069 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 42206364 is about 6496.6425174855. The cubic root of 42206364 is about 348.1710415636.

Adding to 42206364 its reverse (46360224), we get a palindrome (88566588).

The spelling of 42206364 in words is "forty-two million, two hundred six thousand, three hundred sixty-four".