42815366 has 12 divisors (see below), whose sum is σ = 70592676. Its totient is φ = 19461420.

The previous prime is 42815359. The next prime is 42815387. The reversal of 42815366 is 66351824.

42815366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88220 + ... + 88703.

It is an arithmetic number, because the mean of its divisors is an integer number (5882723).

Almost surely, 2^42815366 is an apocalyptic number.

42815366 is a deficient number, since it is larger than the sum of its proper divisors (27777310).

42815366 is a wasteful number, since it uses less digits than its factorization.

42815366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176947 (or 176936 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 42815366 is about 6543.3451689484. The cubic root of 42815366 is about 349.8376553216.

The spelling of 42815366 in words is "forty-two million, eight hundred fifteen thousand, three hundred sixty-six".