42004364 has 24 divisors (see below), whose sum is σ = 77985600. Its totient is φ = 19740240.

The previous prime is 42004363. The next prime is 42004367. The reversal of 42004364 is 46340024.

It is a happy number.

It is a super-3 number, since 3×42004364³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42004363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7847 + ... + 12065.

It is an arithmetic number, because the mean of its divisors is an integer number (3249400).

Almost surely, 2^42004364 is an apocalyptic number.

It is an amenable number.

42004364 is a deficient number, since it is larger than the sum of its proper divisors (35981236).

42004364 is a wasteful number, since it uses less digits than its factorization.

42004364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373 (or 4371 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 42004364 is about 6481.0773795720. The cubic root of 42004364 is about 347.6147032624.

Adding to 42004364 its reverse (46340024), we get a palindrome (88344388).

The spelling of 42004364 in words is "forty-two million, four thousand, three hundred sixty-four".