290282660649 has 48 divisors (see below), whose sum is σ = 454146937920. Its totient is φ = 178095715200.

The previous prime is 290282660623. The next prime is 290282660699. The reversal of 290282660649 is 946066282092.

It is a happy number.

290282660649 is a `hidden beast` number, since 2 + 9 + 0 + 2 + 8 + 26 + 606 + 4 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-290282660649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 290282660595 and 290282660604.

It is not an unprimeable number, because it can be changed into a prime (290282660699) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 756802 + ... + 1073924.

It is an arithmetic number, because the mean of its divisors is an integer number (9461394540).

Almost surely, 2^290282660649 is an apocalyptic number.

It is an amenable number.

290282660649 is a deficient number, since it is larger than the sum of its proper divisors (163864277271).

290282660649 is a wasteful number, since it uses less digits than its factorization.

290282660649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317302 (or 317299 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 290282660649 in words is "two hundred ninety billion, two hundred eighty-two million, six hundred sixty thousand, six hundred forty-nine".