42364424 has 8 divisors (see below), whose sum is σ = 79433310. Its totient is φ = 21182208.

The previous prime is 42364411. The next prime is 42364429. The reversal of 42364424 is 42446324.

It can be written as a sum of positive squares in only one way, i.e., 42016324 + 348100 = 6482^2 + 590^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42364429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2647769 + ... + 2647784.

Almost surely, 2^42364424 is an apocalyptic number.

It is an amenable number.

42364424 is a deficient number, since it is larger than the sum of its proper divisors (37068886).

42364424 is a wasteful number, since it uses less digits than its factorization.

42364424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5295559 (or 5295555 counting only the distinct ones).

The product of its digits is 18432, while the sum is 29.

The square root of 42364424 is about 6508.7958947873. The cubic root of 42364424 is about 348.6051258678.

The spelling of 42364424 in words is "forty-two million, three hundred sixty-four thousand, four hundred twenty-four".