42033904 has 20 divisors (see below), whose sum is σ = 88844760. Its totient is φ = 19106240.

The previous prime is 42033863. The next prime is 42033907. The reversal of 42033904 is 40933024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42033907) 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, 119239 + ... + 119590.

It is an arithmetic number, because the mean of its divisors is an integer number (4442238).

Almost surely, 2^42033904 is an apocalyptic number.

42033904 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42033904 is an abundant number, since it is smaller than the sum of its proper divisors (46810856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42033904 is a wasteful number, since it uses less digits than its factorization.

42033904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238848 (or 238842 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 42033904 is about 6483.3559211260. The cubic root of 42033904 is about 347.6961720365.

Adding to 42033904 its reverse (40933024), we get a palindrome (82966928).

The spelling of 42033904 in words is "forty-two million, thirty-three thousand, nine hundred four".