42910864 has 10 divisors (see below), whose sum is σ = 83139830. Its totient is φ = 21455424.

The previous prime is 42910853. The next prime is 42910871. The reversal of 42910864 is 46801924.

It can be written as a sum of positive squares in only one way, i.e., 33547264 + 9363600 = 5792^2 + 3060^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340949 + ... + 1340980.

It is an arithmetic number, because the mean of its divisors is an integer number (8313983).

Almost surely, 2^42910864 is an apocalyptic number.

It is an amenable number.

42910864 is a deficient number, since it is larger than the sum of its proper divisors (40228966).

42910864 is a wasteful number, since it uses less digits than its factorization.

42910864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681937 (or 2681931 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 42910864 is about 6550.6384421673. The cubic root of 42910864 is about 350.0975619179.

The spelling of 42910864 in words is "forty-two million, nine hundred ten thousand, eight hundred sixty-four".