64244802286460 has 24 divisors (see below), whose sum is σ = 134915318797056. Its totient is φ = 25697685867840.

The previous prime is 64244802286447. The next prime is 64244802286477. The reversal of 64244802286460 is 6468220844246.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 64244802286396 and 64244802286405.

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, 12440732 + ... + 16830371.

It is an arithmetic number, because the mean of its divisors is an integer number (5621471616544).

Almost surely, 2^{64244802286460} is an apocalyptic number.

It is an amenable number.

64244802286460 is an abundant number, since it is smaller than the sum of its proper divisors (70670516510596).

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

64244802286460 is a wasteful number, since it uses less digits than its factorization.

64244802286460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29380853 (or 29380851 counting only the distinct ones).

The product of its (nonzero) digits is 28311552, while the sum is 56.

The spelling of 64244802286460 in words is "sixty-four trillion, two hundred forty-four billion, eight hundred two million, two hundred eighty-six thousand, four hundred sixty".