42030500 has 24 divisors (see below), whose sum is σ = 91795704. Its totient is φ = 16812000.

The previous prime is 42030497. The next prime is 42030533. The reversal of 42030500 is 503024.

It can be written as a sum of positive squares in 4 ways, for example, as 10916416 + 31114084 = 3304^2 + 5578^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41531 + ... + 42530.

It is an arithmetic number, because the mean of its divisors is an integer number (3824821).

Almost surely, 2^42030500 is an apocalyptic number.

It is an amenable number.

42030500 is an abundant number, since it is smaller than the sum of its proper divisors (49765204).

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

42030500 is a wasteful number, since it uses less digits than its factorization.

42030500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84080 (or 84068 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 42030500 is about 6483.0933974454. The cubic root of 42030500 is about 347.6867860440.

Adding to 42030500 its reverse (503024), we get a palindrome (42533524).

The spelling of 42030500 in words is "forty-two million, thirty thousand, five hundred".