60639249888 has 384 divisors, whose sum is σ = 209155968000. Its totient is φ = 17082067968.

The previous prime is 60639249857. The next prime is 60639249889. The reversal of 60639249888 is 88894293606.

60639249888 is a `hidden beast` number, since 6 + 0 + 63 + 9 + 2 + 498 + 88 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60639249889) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21632295 + ... + 21635097.

It is an arithmetic number, because the mean of its divisors is an integer number (544677000).

Almost surely, 2^60639249888 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 60639249888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104577984000).

60639249888 is an abundant number, since it is smaller than the sum of its proper divisors (148516718112).

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

60639249888 is a wasteful number, since it uses less digits than its factorization.

60639249888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916 (or 2888 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 60639249888 in words is "sixty billion, six hundred thirty-nine million, two hundred forty-nine thousand, eight hundred eighty-eight".