42513804 has 36 divisors (see below), whose sum is σ = 113788584. Its totient is φ = 13337472.

The previous prime is 42513781. The next prime is 42513817. The reversal of 42513804 is 40831524.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34122 + ... + 35345.

It is an arithmetic number, because the mean of its divisors is an integer number (3160794).

Almost surely, 2^42513804 is an apocalyptic number.

It is an amenable number.

42513804 is an abundant number, since it is smaller than the sum of its proper divisors (71274780).

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

42513804 is a wasteful number, since it uses less digits than its factorization.

42513804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69494 (or 69489 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 42513804 is about 6520.2610377193. The cubic root of 42513804 is about 349.0143807891.

The spelling of 42513804 in words is "forty-two million, five hundred thirteen thousand, eight hundred four".