64042424 has 16 divisors (see below), whose sum is σ = 120166200. Its totient is φ = 31998112.

The previous prime is 64042421. The next prime is 64042453. The reversal of 64042424 is 42424046.

It is a junction number, because it is equal to n+sod(n) for n = 64042393 and 64042402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64042421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16739 + ... + 20205.

Almost surely, 2^64042424 is an apocalyptic number.

It is an amenable number.

64042424 is a deficient number, since it is larger than the sum of its proper divisors (56123776).

64042424 is a wasteful number, since it uses less digits than its factorization.

64042424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782 (or 5778 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 64042424 is about 8002.6510607423. The cubic root of 64042424 is about 400.0883638115.

The spelling of 64042424 in words is "sixty-four million, forty-two thousand, four hundred twenty-four".