42964456 has 8 divisors (see below), whose sum is σ = 80558370. Its totient is φ = 21482224.

The previous prime is 42964447. The next prime is 42964477. The reversal of 42964456 is 65446924.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 31741956 + 11222500 = 5634^2 + 3350^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2685271 + ... + 2685286.

Almost surely, 2^42964456 is an apocalyptic number.

It is an amenable number.

42964456 is a deficient number, since it is larger than the sum of its proper divisors (37593914).

42964456 is a wasteful number, since it uses less digits than its factorization.

42964456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5370563 (or 5370559 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 42964456 is about 6554.7277594115. The cubic root of 42964456 is about 350.2432485911.

The spelling of 42964456 in words is "forty-two million, nine hundred sixty-four thousand, four hundred fifty-six".