42464642 has 32 divisors (see below), whose sum is σ = 72705600. Its totient is φ = 18424000.

The previous prime is 42464629. The next prime is 42464683. The reversal of 42464642 is 24646424.

42464642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42464599 and 42464608.

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 15 ways as a sum of consecutive naturals, for example, 64109 + ... + 64767.

It is an arithmetic number, because the mean of its divisors is an integer number (2272050).

Almost surely, 2^42464642 is an apocalyptic number.

42464642 is a deficient number, since it is larger than the sum of its proper divisors (30240958).

42464642 is a wasteful number, since it uses less digits than its factorization.

42464642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802.

The product of its digits is 36864, while the sum is 32.

The square root of 42464642 is about 6516.4900061306. The cubic root of 42464642 is about 348.8797981247.

It can be divided in two parts, 4246 and 4642, that added together give a palindrome (8888).

The spelling of 42464642 in words is "forty-two million, four hundred sixty-four thousand, six hundred forty-two".