42788004 has 48 divisors (see below), whose sum is σ = 119067648. Its totient is φ = 11693088.

The previous prime is 42788003. The next prime is 42788033. The reversal of 42788004 is 40088724.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42788003) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9142 + ... + 13005.

It is an arithmetic number, because the mean of its divisors is an integer number (2480576).

Almost surely, 2^42788004 is an apocalyptic number.

It is an amenable number.

42788004 is an abundant number, since it is smaller than the sum of its proper divisors (76279644).

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

42788004 is a wasteful number, since it uses less digits than its factorization.

42788004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22184 (or 22182 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 42788004 is about 6541.2540082159. The cubic root of 42788004 is about 349.7631159007.

The spelling of 42788004 in words is "forty-two million, seven hundred eighty-eight thousand, four".