290628798461 has 16 divisors (see below), whose sum is σ = 300970395648. Its totient is φ = 280348387200.

The previous prime is 290628798451. The next prime is 290628798497. The reversal of 290628798461 is 164897826092.

It is a cyclic number.

It is not a de Polignac number, because 290628798461 - 2²² = 290624604157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 290628798394 and 290628798403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290628798401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28676351 + ... + 28686483.

It is an arithmetic number, because the mean of its divisors is an integer number (18810649728).

Almost surely, 2^290628798461 is an apocalyptic number.

It is an amenable number.

290628798461 is a deficient number, since it is larger than the sum of its proper divisors (10341597187).

290628798461 is a wasteful number, since it uses less digits than its factorization.

290628798461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13052.

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 290628798461 in words is "two hundred ninety billion, six hundred twenty-eight million, seven hundred ninety-eight thousand, four hundred sixty-one".