42385504 has 96 divisors (see below), whose sum is σ = 104993280. Its totient is φ = 16422912.

The previous prime is 42385457. The next prime is 42385507. The reversal of 42385504 is 40558324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42385507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97672 + ... + 98104.

It is an arithmetic number, because the mean of its divisors is an integer number (1093680).

Almost surely, 2^42385504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42385504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52496640).

42385504 is an abundant number, since it is smaller than the sum of its proper divisors (62607776).

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

42385504 is a wasteful number, since it uses less digits than its factorization.

42385504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 42385504 is about 6510.4150405331. The cubic root of 42385504 is about 348.6629367765.

The spelling of 42385504 in words is "forty-two million, three hundred eighty-five thousand, five hundred four".