63754042464 has 480 divisors, whose sum is σ = 228675363840. Its totient is φ = 17009160192.

The previous prime is 63754042439. The next prime is 63754042477. The reversal of 63754042464 is 46424045736.

63754042464 is a `hidden beast` number, since 6 + 3 + 7 + 540 + 42 + 4 + 64 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 42873529 + ... + 42875015.

It is an arithmetic number, because the mean of its divisors is an integer number (476407008).

Almost surely, 2^63754042464 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 63754042464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114337681920).

63754042464 is an abundant number, since it is smaller than the sum of its proper divisors (164921321376).

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

63754042464 is a wasteful number, since it uses less digits than its factorization.

63754042464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 45.

The spelling of 63754042464 in words is "sixty-three billion, seven hundred fifty-four million, forty-two thousand, four hundred sixty-four".