290469280448 has 28 divisors (see below), whose sum is σ = 576474485352. Its totient is φ = 145215866880.

The previous prime is 290469280399. The next prime is 290469280457. The reversal of 290469280448 is 844082964092.

It is a junction number, because it is equal to n+sod(n) for n = 290469280393 and 290469280402.

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, 212411 + ... + 791237.

Almost surely, 2^290469280448 is an apocalyptic number.

It is an amenable number.

290469280448 is a deficient number, since it is larger than the sum of its proper divisors (286005204904).

290469280448 is an equidigital number, since it uses as much as digits as its factorization.

290469280448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586680 (or 586670 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 56.

The spelling of 290469280448 in words is "two hundred ninety billion, four hundred sixty-nine million, two hundred eighty thousand, four hundred forty-eight".