290296068628 has 12 divisors (see below), whose sum is σ = 508036397652. Its totient is φ = 145142812160.

The previous prime is 290296068551. The next prime is 290296068631. The reversal of 290296068628 is 826860692092.

It can be written as a sum of positive squares in 2 ways, for example, as 103592572164 + 186703496464 = 321858^2 + 432092^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179103 + ... + 1403878.

It is an arithmetic number, because the mean of its divisors is an integer number (42336366471).

Almost surely, 2^290296068628 is an apocalyptic number.

It is an amenable number.

290296068628 is a deficient number, since it is larger than the sum of its proper divisors (217740329024).

290296068628 is a wasteful number, since it uses less digits than its factorization.

290296068628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611082 (or 2611080 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 58.

The spelling of 290296068628 in words is "two hundred ninety billion, two hundred ninety-six million, sixty-eight thousand, six hundred twenty-eight".