63567340340 has 144 divisors (see below), whose sum is σ = 158793847632. Its totient is φ = 21305217024.

The previous prime is 63567340327. The next prime is 63567340411. The reversal of 63567340340 is 4304376536.

63567340340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 18628428196 + 44938912144 = 136486^2 + 211988^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15216332 + ... + 15220508.

It is an arithmetic number, because the mean of its divisors is an integer number (1102735053).

Almost surely, 2^63567340340 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 63567340340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79396923816).

63567340340 is an abundant number, since it is smaller than the sum of its proper divisors (95226507292).

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

63567340340 is a wasteful number, since it uses less digits than its factorization.

63567340340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546 (or 4537 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 41.

The spelling of 63567340340 in words is "sixty-three billion, five hundred sixty-seven million, three hundred forty thousand, three hundred forty".