42500880 has 60 divisors (see below), whose sum is σ = 142734540. Its totient is φ = 11333376.

The previous prime is 42500873. The next prime is 42500881. The reversal of 42500880 is 8800524.

It can be written as a sum of positive squares in 2 ways, for example, as 10419984 + 32080896 = 3228^2 + 5664^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42500881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28795 + ... + 30234.

It is an arithmetic number, because the mean of its divisors is an integer number (2378909).

Almost surely, 2^42500880 is an apocalyptic number.

42500880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42500880 is an abundant number, since it is smaller than the sum of its proper divisors (100233660).

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

42500880 is a wasteful number, since it uses less digits than its factorization.

42500880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59048 (or 59039 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 42500880 is about 6519.2698977723. The cubic root of 42500880 is about 348.9790109516.

The spelling of 42500880 in words is "forty-two million, five hundred thousand, eight hundred eighty".