42801628 has 6 divisors (see below), whose sum is σ = 74902856. Its totient is φ = 21400812.

The previous prime is 42801611. The next prime is 42801653. The reversal of 42801628 is 82610824.

42801628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42801628.

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, 5350200 + ... + 5350207.

Almost surely, 2^42801628 is an apocalyptic number.

It is an amenable number.

42801628 is a deficient number, since it is larger than the sum of its proper divisors (32101228).

42801628 is a wasteful number, since it uses less digits than its factorization.

42801628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10700411 (or 10700409 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 42801628 is about 6542.2953158658. The cubic root of 42801628 is about 349.8002343029.

The spelling of 42801628 in words is "forty-two million, eight hundred one thousand, six hundred twenty-eight".