63085356340 has 48 divisors (see below), whose sum is σ = 138439969920. Its totient is φ = 24101953920.

The previous prime is 63085356329. The next prime is 63085356343. The reversal of 63085356340 is 4365358036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63085356343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218626 + ... + 417094.

It is an arithmetic number, because the mean of its divisors is an integer number (2884166040).

Almost surely, 2^63085356340 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 63085356340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69219984960).

63085356340 is an abundant number, since it is smaller than the sum of its proper divisors (75354613580).

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

63085356340 is a wasteful number, since it uses less digits than its factorization.

63085356340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199192 (or 199190 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 63085356340 in words is "sixty-three billion, eighty-five million, three hundred fifty-six thousand, three hundred forty".