63980437392000 has 768 divisors, whose sum is σ = 235336066467840. Its totient is φ = 16651514880000.

The previous prime is 63980437391999. The next prime is 63980437392037. The reversal of 63980437392000 is 29373408936.

63980437392000 is a `hidden beast` number, since 6 + 398 + 0 + 43 + 7 + 3 + 9 + 200 + 0 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1457690055 + ... + 1457733945.

It is an arithmetic number, because the mean of its divisors is an integer number (306427169880).

Almost surely, 2^{63980437392000} is an apocalyptic number.

63980437392000 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 63980437392000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117668033233920).

63980437392000 is an abundant number, since it is smaller than the sum of its proper divisors (171355629075840).

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

63980437392000 is a wasteful number, since it uses less digits than its factorization.

63980437392000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44170 (or 44145 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The spelling of 63980437392000 in words is "sixty-three trillion, nine hundred eighty billion, four hundred thirty-seven million, three hundred ninety-two thousand".