7282390288664 has 8 divisors (see below), whose sum is σ = 13654481791260. Its totient is φ = 3641195144328.

The previous prime is 7282390288639. The next prime is 7282390288697. The reversal of 7282390288664 is 4668820932827.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 7282390288664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455149393034 + ... + 455149393049.

Almost surely, 2^{7282390288664} is an apocalyptic number.

It is an amenable number.

7282390288664 is a deficient number, since it is larger than the sum of its proper divisors (6372091502596).

7282390288664 is a wasteful number, since it uses less digits than its factorization.

7282390288664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910298786089 (or 910298786085 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 65.

The spelling of 7282390288664 in words is "seven trillion, two hundred eighty-two billion, three hundred ninety million, two hundred eighty-eight thousand, six hundred sixty-four".