64244466444246 has 16 divisors (see below), whose sum is σ = 140169744969408. Its totient is φ = 19468020134600.

The previous prime is 64244466444239. The next prime is 64244466444413.

It is a happy number.

64244466444246 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 64244466444246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486700503300 + ... + 486700503431.

It is an arithmetic number, because the mean of its divisors is an integer number (8760609060588).

Almost surely, 2^{64244466444246} is an apocalyptic number.

64244466444246 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64244466444246 is an abundant number, since it is smaller than the sum of its proper divisors (75925278525162).

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

64244466444246 is a wasteful number, since it uses less digits than its factorization.

64244466444246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973401006747.

The product of its digits is 339738624, while the sum is 60.

The spelling of 64244466444246 in words is "sixty-four trillion, two hundred forty-four billion, four hundred sixty-six million, four hundred forty-four thousand, two hundred forty-six".