42657464 has 8 divisors (see below), whose sum is σ = 79982760. Its totient is φ = 21328728.

The previous prime is 42657431. The next prime is 42657469. The reversal of 42657464 is 46475624.

42657464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×42657464² = 3639318469822592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42657469) 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 as a sum of consecutive naturals, namely, 2666084 + ... + 2666099.

It is an arithmetic number, because the mean of its divisors is an integer number (9997845).

Almost surely, 2^42657464 is an apocalyptic number.

It is an amenable number.

42657464 is a deficient number, since it is larger than the sum of its proper divisors (37325296).

42657464 is a wasteful number, since it uses less digits than its factorization.

42657464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5332189 (or 5332185 counting only the distinct ones).

The product of its digits is 161280, while the sum is 38.

The square root of 42657464 is about 6531.2681770082. The cubic root of 42657464 is about 349.4070613699.

The spelling of 42657464 in words is "forty-two million, six hundred fifty-seven thousand, four hundred sixty-four".