63954240 has 224 divisors, whose sum is σ = 240328704. Its totient is φ = 14100480.

The previous prime is 63954229. The next prime is 63954257. The reversal of 63954240 is 4245936.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208167 + ... + 208473.

It is an arithmetic number, because the mean of its divisors is an integer number (1072896).

Almost surely, 2^63954240 is an apocalyptic number.

63954240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63954240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120164352).

63954240 is an abundant number, since it is smaller than the sum of its proper divisors (176374464).

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

63954240 is a wasteful number, since it uses less digits than its factorization.

63954240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 63954240 is about 7997.1394885922. The cubic root of 63954240 is about 399.9046439365.

The spelling of 63954240 in words is "sixty-three million, nine hundred fifty-four thousand, two hundred forty".