63232579840 has 144 divisors (see below), whose sum is σ = 165546339840. Its totient is φ = 23037050880.

The previous prime is 63232579829. The next prime is 63232579849. The reversal of 63232579840 is 4897523236.

It is not an unprimeable number, because it can be changed into a prime (63232579849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627691 + ... + 721429.

It is an arithmetic number, because the mean of its divisors is an integer number (1149627360).

Almost surely, 2^63232579840 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 63232579840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82773169920).

63232579840 is an abundant number, since it is smaller than the sum of its proper divisors (102313760000).

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

63232579840 is a wasteful number, since it uses less digits than its factorization.

63232579840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93808 (or 93794 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 63232579840 in words is "sixty-three billion, two hundred thirty-two million, five hundred seventy-nine thousand, eight hundred forty".