42099788 has 6 divisors (see below), whose sum is σ = 73674636. Its totient is φ = 21049892.

The previous prime is 42099779. The next prime is 42099791. The reversal of 42099788 is 88799024.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5262470 + ... + 5262477.

It is an arithmetic number, because the mean of its divisors is an integer number (12279106).

Almost surely, 2^42099788 is an apocalyptic number.

It is an amenable number.

42099788 is a deficient number, since it is larger than the sum of its proper divisors (31574848).

42099788 is a wasteful number, since it uses less digits than its factorization.

42099788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10524951 (or 10524949 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 42099788 is about 6488.4349422646. The cubic root of 42099788 is about 347.8777370301.

The spelling of 42099788 in words is "forty-two million, ninety-nine thousand, seven hundred eighty-eight".