63422040 has 128 divisors (see below), whose sum is σ = 216691200. Its totient is φ = 14699520.

The previous prime is 63421993. The next prime is 63422071. The reversal of 63422040 is 4022436.

It is a junction number, because it is equal to n+sod(n) for n = 63421998 and 63422016.

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, 29316 + ... + 31404.

It is an arithmetic number, because the mean of its divisors is an integer number (1692900).

Almost surely, 2^63422040 is an apocalyptic number.

63422040 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 63422040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108345600).

63422040 is an abundant number, since it is smaller than the sum of its proper divisors (153269160).

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

63422040 is a wasteful number, since it uses less digits than its factorization.

63422040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137 (or 2133 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 63422040 is about 7963.7955774869. The cubic root of 63422040 is about 398.7922738304.

Adding to 63422040 its reverse (4022436), we get a palindrome (67444476).

The spelling of 63422040 in words is "sixty-three million, four hundred twenty-two thousand, forty".