42628564 has 12 divisors (see below), whose sum is σ = 81381888. Its totient is φ = 19376600.

The previous prime is 42628559. The next prime is 42628567. The reversal of 42628564 is 46582624.

42628564 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 not an unprimeable number, because it can be changed into a prime (42628567) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 484372 + ... + 484459.

It is an arithmetic number, because the mean of its divisors is an integer number (6781824).

Almost surely, 2^42628564 is an apocalyptic number.

42628564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42628564 is a deficient number, since it is larger than the sum of its proper divisors (38753324).

42628564 is a wasteful number, since it uses less digits than its factorization.

42628564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968846 (or 968844 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 42628564 is about 6529.0553681218. The cubic root of 42628564 is about 349.3281369615.

The spelling of 42628564 in words is "forty-two million, six hundred twenty-eight thousand, five hundred sixty-four".