244347724156664 has 32 divisors (see below), whose sum is σ = 478353018960000. Its totient is φ = 116793172095072.

The previous prime is 244347724156651. The next prime is 244347724156699. The reversal of 244347724156664 is 466651427743442.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 244347724156664.

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, 390498674 + ... + 391123905.

It is an arithmetic number, because the mean of its divisors is an integer number (14948531842500).

Almost surely, 2^{244347724156664} is an apocalyptic number.

It is an amenable number.

244347724156664 is a deficient number, since it is larger than the sum of its proper divisors (234005294803336).

244347724156664 is a wasteful number, since it uses less digits than its factorization.

244347724156664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781624307 (or 781624303 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 65.

The spelling of 244347724156664 in words is "two hundred forty-four trillion, three hundred forty-seven billion, seven hundred twenty-four million, one hundred fifty-six thousand, six hundred sixty-four".