42644514 has 48 divisors (see below), whose sum is σ = 94610880. Its totient is φ = 12804000.

The previous prime is 42644501. The next prime is 42644521. The reversal of 42644514 is 41544624.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109432 + ... + 109820.

It is an arithmetic number, because the mean of its divisors is an integer number (1971060).

Almost surely, 2^42644514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42644514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47305440).

42644514 is an abundant number, since it is smaller than the sum of its proper divisors (51966366).

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

42644514 is a wasteful number, since it uses less digits than its factorization.

42644514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 556 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 42644514 is about 6530.2767169546. The cubic root of 42644514 is about 349.3716999975.

It can be divided in two parts, 4264 and 4514, that added together give a palindrome (8778).

The spelling of 42644514 in words is "forty-two million, six hundred forty-four thousand, five hundred fourteen".