42485500 has 48 divisors (see below), whose sum is σ = 95816448. Its totient is φ = 16440000.

The previous prime is 42485497. The next prime is 42485537. The reversal of 42485500 is 558424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14130 + ... + 16870.

It is an arithmetic number, because the mean of its divisors is an integer number (1996176).

Almost surely, 2^42485500 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 42485500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47908224).

42485500 is an abundant number, since it is smaller than the sum of its proper divisors (53330948).

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

42485500 is a wasteful number, since it uses less digits than its factorization.

42485500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791 (or 2779 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 42485500 is about 6518.0902110971. The cubic root of 42485500 is about 348.9369102959.

The spelling of 42485500 in words is "forty-two million, four hundred eighty-five thousand, five hundred".