65444249304 has 48 divisors (see below), whose sum is σ = 202565535120. Its totient is φ = 18698356800.

The previous prime is 65444249293. The next prime is 65444249317. The reversal of 65444249304 is 40394244456.

65444249304 is a `hidden beast` number, since 65 + 4 + 44 + 249 + 304 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 65444249304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64924347 + ... + 64925354.

It is an arithmetic number, because the mean of its divisors is an integer number (4220115315).

Almost surely, 2^65444249304 is an apocalyptic number.

It is an amenable number.

65444249304 is an abundant number, since it is smaller than the sum of its proper divisors (137121285816).

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

65444249304 is a wasteful number, since it uses less digits than its factorization.

65444249304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129849720 (or 129849713 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 65444249304 in words is "sixty-five billion, four hundred forty-four million, two hundred forty-nine thousand, three hundred four".