290797220626 has 8 divisors (see below), whose sum is σ = 475849997424. Its totient is φ = 132180554820.

The previous prime is 290797220579. The next prime is 290797220639. The reversal of 290797220626 is 626022797092.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 6609027720 + ... + 6609027763.

It is an arithmetic number, because the mean of its divisors is an integer number (59481249678).

Almost surely, 2^290797220626 is an apocalyptic number.

290797220626 is a deficient number, since it is larger than the sum of its proper divisors (185052776798).

290797220626 is a wasteful number, since it uses less digits than its factorization.

290797220626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13218055496.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 290797220626 in words is "two hundred ninety billion, seven hundred ninety-seven million, two hundred twenty thousand, six hundred twenty-six".