63442262352 has 160 divisors (see below), whose sum is σ = 197295308800. Its totient is φ = 17541498240.

The previous prime is 63442262347. The next prime is 63442262431. The reversal of 63442262352 is 25326224436.

It is a self number, because there is not a number n which added to its sum of digits gives 63442262352.

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, 448233 + ... + 572535.

It is an arithmetic number, because the mean of its divisors is an integer number (1233095680).

Almost surely, 2^63442262352 is an apocalyptic number.

63442262352 is a gapful number since it is divisible by the number (62) 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 63442262352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98647654400).

63442262352 is an abundant number, since it is smaller than the sum of its proper divisors (133853046448).

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

63442262352 is a wasteful number, since it uses less digits than its factorization.

63442262352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124366 (or 124346 counting only the distinct ones).

The product of its digits is 414720, while the sum is 39.

Adding to 63442262352 its reverse (25326224436), we get a palindrome (88768486788).

The spelling of 63442262352 in words is "sixty-three billion, four hundred forty-two million, two hundred sixty-two thousand, three hundred fifty-two".