42288446 has 4 divisors (see below), whose sum is σ = 63432672. Its totient is φ = 21144222.

The previous prime is 42288437. The next prime is 42288451. The reversal of 42288446 is 64488224.

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, 10572110 + ... + 10572113.

It is an arithmetic number, because the mean of its divisors is an integer number (15858168).

Almost surely, 2^42288446 is an apocalyptic number.

42288446 is a deficient number, since it is larger than the sum of its proper divisors (21144226).

42288446 is a wasteful number, since it uses less digits than its factorization.

42288446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21144225.

The product of its digits is 98304, while the sum is 38.

The square root of 42288446 is about 6502.9567121426. The cubic root of 42288446 is about 348.3966005109.

The spelling of 42288446 in words is "forty-two million, two hundred eighty-eight thousand, four hundred forty-six".