63944514 has 48 divisors (see below), whose sum is σ = 148220280. Its totient is φ = 19852800.

The previous prime is 63944513. The next prime is 63944533. The reversal of 63944514 is 41544936.

63944514 is a `hidden beast` number, since 639 + 4 + 4 + 5 + 14 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 62678889 + 1265625 = 7917^2 + 1125^2 .

It is not an unprimeable number, because it can be changed into a prime (63944513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29872 + ... + 31940.

Almost surely, 2^63944514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63944514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74110140).

63944514 is an abundant number, since it is smaller than the sum of its proper divisors (84275766).

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

63944514 is a wasteful number, since it uses less digits than its factorization.

63944514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195 (or 2192 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 63944514 is about 7996.5313730392. The cubic root of 63944514 is about 399.8843707446.

The spelling of 63944514 in words is "sixty-three million, nine hundred forty-four thousand, five hundred fourteen".