42868454 has 4 divisors (see below), whose sum is σ = 64302684. Its totient is φ = 21434226.

The previous prime is 42868439. The next prime is 42868499. The reversal of 42868454 is 45486824.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10717112 + ... + 10717115.

It is an arithmetic number, because the mean of its divisors is an integer number (16075671).

Almost surely, 2^42868454 is an apocalyptic number.

42868454 is a deficient number, since it is larger than the sum of its proper divisors (21434230).

42868454 is a wasteful number, since it uses less digits than its factorization.

42868454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21434229.

The product of its digits is 245760, while the sum is 41.

The square root of 42868454 is about 6547.4005528912. The cubic root of 42868454 is about 349.9821868485.

The spelling of 42868454 in words is "forty-two million, eight hundred sixty-eight thousand, four hundred fifty-four".