42642704467 has 32 divisors (see below), whose sum is σ = 48886156800. Its totient is φ = 36818622720.

The previous prime is 42642704449. The next prime is 42642704497. The reversal of 42642704467 is 76440724624.

It is a de Polignac number, because none of the positive numbers 2^k-42642704467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42642704497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27528409 + ... + 27529957.

It is an arithmetic number, because the mean of its divisors is an integer number (1527692400).

Almost surely, 2^42642704467 is an apocalyptic number.

42642704467 is a deficient number, since it is larger than the sum of its proper divisors (6243452333).

42642704467 is a wasteful number, since it uses less digits than its factorization.

42642704467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283.

The product of its (nonzero) digits is 1806336, while the sum is 46.

The spelling of 42642704467 in words is "forty-two billion, six hundred forty-two million, seven hundred four thousand, four hundred sixty-seven".