42204857 has 8 divisors (see below), whose sum is σ = 43652352. Its totient is φ = 40762800.

The previous prime is 42204823. The next prime is 42204893. The reversal of 42204857 is 75840224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42204857 - 2¹² = 42200761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42200857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19982 + ... + 21992.

It is an arithmetic number, because the mean of its divisors is an integer number (5456544).

Almost surely, 2^42204857 is an apocalyptic number.

It is an amenable number.

42204857 is a deficient number, since it is larger than the sum of its proper divisors (1447495).

42204857 is a wasteful number, since it uses less digits than its factorization.

42204857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 42204857 is about 6496.5265334639. The cubic root of 42204857 is about 348.1668976387.

The spelling of 42204857 in words is "forty-two million, two hundred four thousand, eight hundred fifty-seven".