63159040 has 216 divisors, whose sum is σ = 188742960. Its totient is φ = 20127744.

The previous prime is 63159017. The next prime is 63159043. The reversal of 63159040 is 4095136.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (63159043) 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, 1191654 + ... + 1191706.

It is an arithmetic number, because the mean of its divisors is an integer number (873810).

Almost surely, 2^63159040 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 63159040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94371480).

63159040 is an abundant number, since it is smaller than the sum of its proper divisors (125583920).

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

63159040 is a wasteful number, since it uses less digits than its factorization.

63159040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 63159040 is about 7947.2661966238. The cubic root of 63159040 is about 398.2402697261.

The spelling of 63159040 in words is "sixty-three million, one hundred fifty-nine thousand, forty".