63972924444 has 384 divisors, whose sum is σ = 205488783360. Its totient is φ = 16942867200.

The previous prime is 63972924439. The next prime is 63972924473. The reversal of 63972924444 is 44442927936.

63972924444 is a `hidden beast` number, since 6 + 397 + 2 + 9 + 244 + 4 + 4 = 666.

63972924444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 22500487 + ... + 22503329.

It is an arithmetic number, because the mean of its divisors is an integer number (535127040).

Almost surely, 2^63972924444 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 63972924444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102744391680).

63972924444 is an abundant number, since it is smaller than the sum of its proper divisors (141515858916).

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

63972924444 is a wasteful number, since it uses less digits than its factorization.

63972924444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958 (or 2950 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The spelling of 63972924444 in words is "sixty-three billion, nine hundred seventy-two million, nine hundred twenty-four thousand, four hundred forty-four".