42801788 has 6 divisors (see below), whose sum is σ = 74903136. Its totient is φ = 21400892.

The previous prime is 42801751. The next prime is 42801799. The reversal of 42801788 is 88710824.

It is a happy number.

42801788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5350220 + ... + 5350227.

It is an arithmetic number, because the mean of its divisors is an integer number (12483856).

Almost surely, 2^42801788 is an apocalyptic number.

It is an amenable number.

42801788 is a deficient number, since it is larger than the sum of its proper divisors (32101348).

42801788 is a wasteful number, since it uses less digits than its factorization.

42801788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10700451 (or 10700449 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 42801788 is about 6542.3075439787. The cubic root of 42801788 is about 349.8006701739.

The spelling of 42801788 in words is "forty-two million, eight hundred one thousand, seven hundred eighty-eight".