290680805654 has 12 divisors (see below), whose sum is σ = 455802890676. Its totient is φ = 139021254372.

The previous prime is 290680805617. The next prime is 290680805663. The reversal of 290680805654 is 456508086092.

It is a junction number, because it is equal to n+sod(n) for n = 290680805596 and 290680805605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137371724 + ... + 137373839.

It is an arithmetic number, because the mean of its divisors is an integer number (37983574223).

Almost surely, 2^290680805654 is an apocalyptic number.

290680805654 is a deficient number, since it is larger than the sum of its proper divisors (165122085022).

290680805654 is a wasteful number, since it uses less digits than its factorization.

290680805654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274745611 (or 274745588 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 290680805654 in words is "two hundred ninety billion, six hundred eighty million, eight hundred five thousand, six hundred fifty-four".