42454464 has 112 divisors (see below), whose sum is σ = 123151392. Its totient is φ = 12828672.

The previous prime is 42454427. The next prime is 42454471. The reversal of 42454464 is 46445424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182092 + ... + 182324.

It is an arithmetic number, because the mean of its divisors is an integer number (1099566).

Almost surely, 2^42454464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42454464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61575696).

42454464 is an abundant number, since it is smaller than the sum of its proper divisors (80696928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42454464 is a wasteful number, since it uses less digits than its factorization.

42454464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 324 counting only the distinct ones).

The product of its digits is 61440, while the sum is 33.

The square root of 42454464 is about 6515.7090174439. The cubic root of 42454464 is about 348.8519225232.

Adding to 42454464 its reverse (46445424), we get a palindrome (88899888).

The spelling of 42454464 in words is "forty-two million, four hundred fifty-four thousand, four hundred sixty-four".