64401247300 has 72 divisors (see below), whose sum is σ = 150543533000. Its totient is φ = 23772165120.

The previous prime is 64401247283. The next prime is 64401247301. The reversal of 64401247300 is 374210446.

It can be written as a sum of positive squares in 12 ways, for example, as 12231032836 + 52170214464 = 110594^2 + 228408^2 .

It is not an unprimeable number, because it can be changed into a prime (64401247301) by changing a digit.

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, 9030136 + ... + 9037264.

Almost surely, 2^64401247300 is an apocalyptic number.

It is an amenable number.

64401247300 is an abundant number, since it is smaller than the sum of its proper divisors (86142285700).

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

64401247300 is a wasteful number, since it uses less digits than its factorization.

64401247300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14105 (or 14098 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 64401247300 its reverse (374210446), we get a palindrome (64775457746).

The spelling of 64401247300 in words is "sixty-four billion, four hundred one million, two hundred forty-seven thousand, three hundred".