290098865664 has 320 divisors, whose sum is σ = 887089294080. Its totient is φ = 93547560960.

The previous prime is 290098865663. The next prime is 290098865689. The reversal of 290098865664 is 466568890092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290098865663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63601944 + ... + 63606504.

It is an arithmetic number, because the mean of its divisors is an integer number (2772154044).

Almost surely, 2^290098865664 is an apocalyptic number.

290098865664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290098865664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443544647040).

290098865664 is an abundant number, since it is smaller than the sum of its proper divisors (596990428416).

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

290098865664 is a wasteful number, since it uses less digits than its factorization.

290098865664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738 (or 4716 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 290098865664 in words is "two hundred ninety billion, ninety-eight million, eight hundred sixty-five thousand, six hundred sixty-four".