63402356052 has 288 divisors, whose sum is σ = 210737479680. Its totient is φ = 15630382080.

The previous prime is 63402356029. The next prime is 63402356077. The reversal of 63402356052 is 25065320436.

63402356052 is a `hidden beast` number, since 6 + 3 + 40 + 2 + 3 + 5 + 605 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 63402355998 and 63402356016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2510713 + ... + 2535839.

It is an arithmetic number, because the mean of its divisors is an integer number (731727360).

Almost surely, 2^63402356052 is an apocalyptic number.

63402356052 is a gapful number since it is divisible by the number (62) 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 63402356052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105368739840).

63402356052 is an abundant number, since it is smaller than the sum of its proper divisors (147335123628).

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

63402356052 is a wasteful number, since it uses less digits than its factorization.

63402356052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25211 (or 25206 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 63402356052 its reverse (25065320436), we get a palindrome (88467676488).

The spelling of 63402356052 in words is "sixty-three billion, four hundred two million, three hundred fifty-six thousand, fifty-two".