63962240 has 64 divisors (see below), whose sum is σ = 154224000. Its totient is φ = 25365504.

The previous prime is 63962237. The next prime is 63962243. The reversal of 63962240 is 4226936.

It is an interprime number because it is at equal distance from previous prime (63962237) and next prime (63962243).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 63962197 and 63962206.

It is not an unprimeable number, because it can be changed into a prime (63962243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88601 + ... + 89319.

It is an arithmetic number, because the mean of its divisors is an integer number (2409750).

Almost surely, 2^63962240 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 63962240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77112000).

63962240 is an abundant number, since it is smaller than the sum of its proper divisors (90261760).

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

63962240 is a wasteful number, since it uses less digits than its factorization.

63962240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 63962240 is about 7997.6396517973. The cubic root of 63962240 is about 399.9213178571.

The spelling of 63962240 in words is "sixty-three million, nine hundred sixty-two thousand, two hundred forty".