64410560316400 has 120 divisors (see below), whose sum is σ = 163853013360960. Its totient is φ = 24248102215680.

The previous prime is 64410560316359. The next prime is 64410560316419. The reversal of 64410560316400 is 461306501446.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376899772 + ... + 377070628.

It is an arithmetic number, because the mean of its divisors is an integer number (1365441778008).

Almost surely, 2^{64410560316400} is an apocalyptic number.

It is an amenable number.

64410560316400 is an abundant number, since it is smaller than the sum of its proper divisors (99442453044560).

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

64410560316400 is a wasteful number, since it uses less digits than its factorization.

64410560316400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226331 (or 226320 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 64410560316400 its reverse (461306501446), we get a palindrome (64871866817846).

The spelling of 64410560316400 in words is "sixty-four trillion, four hundred ten billion, five hundred sixty million, three hundred sixteen thousand, four hundred".