63740006352 has 240 divisors, whose sum is σ = 209849485440. Its totient is φ = 18475015680.

The previous prime is 63740006269. The next prime is 63740006353. The reversal of 63740006352 is 25360004736.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63740006353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1175748 + ... + 1228764.

It is an arithmetic number, because the mean of its divisors is an integer number (874372856).

Almost surely, 2^63740006352 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 63740006352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104924742720).

63740006352 is an abundant number, since it is smaller than the sum of its proper divisors (146109479088).

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

63740006352 is a wasteful number, since it uses less digits than its factorization.

63740006352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53079 (or 53056 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The spelling of 63740006352 in words is "sixty-three billion, seven hundred forty million, six thousand, three hundred fifty-two".