42204461 has 8 divisors (see below), whose sum is σ = 45502464. Its totient is φ = 38913840.

The previous prime is 42204451. The next prime is 42204467. The reversal of 42204461 is 16440224.

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 42204461 - 2⁶ = 42204397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42204467) 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, 18020 + ... + 20226.

It is an arithmetic number, because the mean of its divisors is an integer number (5687808).

Almost surely, 2^42204461 is an apocalyptic number.

It is an amenable number.

42204461 is a deficient number, since it is larger than the sum of its proper divisors (3298003).

42204461 is a wasteful number, since it uses less digits than its factorization.

42204461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 42204461 is about 6496.4960555672. The cubic root of 42204461 is about 348.1658087078.

Adding to 42204461 its reverse (16440224), we get a palindrome (58644685).

The spelling of 42204461 in words is "forty-two million, two hundred four thousand, four hundred sixty-one".