63040009950 has 144 divisors (see below), whose sum is σ = 173888999856. Its totient is φ = 16366771200.

The previous prime is 63040009939. The next prime is 63040009951. The reversal of 63040009950 is 5990004036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63040009951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3114262 + ... + 3134438.

It is an arithmetic number, because the mean of its divisors is an integer number (1207562499).

Almost surely, 2^63040009950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63040009950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86944499928).

63040009950 is an abundant number, since it is smaller than the sum of its proper divisors (110848989906).

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

63040009950 is a wasteful number, since it uses less digits than its factorization.

63040009950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20379 (or 20371 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The spelling of 63040009950 in words is "sixty-three billion, forty million, nine thousand, nine hundred fifty".