42648418 has 8 divisors (see below), whose sum is σ = 64000512. Its totient is φ = 21314916.

The previous prime is 42648413. The next prime is 42648421. The reversal of 42648418 is 81484624.

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

It is not an unprimeable number, because it can be changed into a prime (42648413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5671 + ... + 10837.

It is an arithmetic number, because the mean of its divisors is an integer number (8000064).

Almost surely, 2^42648418 is an apocalyptic number.

42648418 is a deficient number, since it is larger than the sum of its proper divisors (21352094).

42648418 is a wasteful number, since it uses less digits than its factorization.

42648418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9296.

The product of its digits is 49152, while the sum is 37.

The square root of 42648418 is about 6530.5756254713. The cubic root of 42648418 is about 349.3823610445.

The spelling of 42648418 in words is "forty-two million, six hundred forty-eight thousand, four hundred eighteen".