290894450680 has 16 divisors (see below), whose sum is σ = 654512514120. Its totient is φ = 116357780256.

The previous prime is 290894450663. The next prime is 290894450681. The reversal of 290894450680 is 86054498092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290894450681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3636180594 + ... + 3636180673.

Almost surely, 2^290894450680 is an apocalyptic number.

290894450680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290894450680 is an abundant number, since it is smaller than the sum of its proper divisors (363618063440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290894450680 is a wasteful number, since it uses less digits than its factorization.

290894450680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7272361278 (or 7272361274 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 290894450680 in words is "two hundred ninety billion, eight hundred ninety-four million, four hundred fifty thousand, six hundred eighty".