63338240 has 72 divisors (see below), whose sum is σ = 173412960. Its totient is φ = 21712896.

The previous prime is 63338227. The next prime is 63338279. The reversal of 63338240 is 4283336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5426 + ... + 12494.

Almost surely, 2^63338240 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 63338240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86706480).

63338240 is an abundant number, since it is smaller than the sum of its proper divisors (110074720).

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

63338240 is an equidigital number, since it uses as much as digits as its factorization.

63338240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7097 (or 7083 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 63338240 is about 7958.5325280481. The cubic root of 63338240 is about 398.6165540428.

The spelling of 63338240 in words is "sixty-three million, three hundred thirty-eight thousand, two hundred forty".