42464446 has 4 divisors (see below), whose sum is σ = 63696672. Its totient is φ = 21232222.

The previous prime is 42464423. The next prime is 42464459. The reversal of 42464446 is 64446424.

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

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, 10616110 + ... + 10616113.

It is an arithmetic number, because the mean of its divisors is an integer number (15924168).

Almost surely, 2^42464446 is an apocalyptic number.

42464446 is a deficient number, since it is larger than the sum of its proper divisors (21232226).

42464446 is a wasteful number, since it uses less digits than its factorization.

42464446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21232225.

The product of its digits is 73728, while the sum is 34.

The square root of 42464446 is about 6516.4749673424. The cubic root of 42464446 is about 348.8792613602.

The spelling of 42464446 in words is "forty-two million, four hundred sixty-four thousand, four hundred forty-six".