42400611 has 32 divisors (see below), whose sum is σ = 68889600. Its totient is φ = 25561440.

The previous prime is 42400607. The next prime is 42400613. The reversal of 42400611 is 11600424.

It is not a de Polignac number, because 42400611 - 2² = 42400607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42400613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108805 + ... + 109193.

It is an arithmetic number, because the mean of its divisors is an integer number (2152800).

Almost surely, 2^42400611 is an apocalyptic number.

42400611 is a deficient number, since it is larger than the sum of its proper divisors (26488989).

42400611 is a wasteful number, since it uses less digits than its factorization.

42400611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 42400611 is about 6511.5751550604. The cubic root of 42400611 is about 348.7043552240.

The spelling of 42400611 in words is "forty-two million, four hundred thousand, six hundred eleven".