290947447368 has 384 divisors, whose sum is σ = 879400800000. Its totient is φ = 88952878080.

The previous prime is 290947447363. The next prime is 290947447369. The reversal of 290947447368 is 863744749092.

290947447368 is a `hidden beast` number, since 2 + 9 + 0 + 94 + 74 + 473 + 6 + 8 = 666.

290947447368 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (290947447363) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 711362748 + ... + 711363156.

It is an arithmetic number, because the mean of its divisors is an integer number (2290106250).

Almost surely, 2^290947447368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290947447368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439700400000).

290947447368 is an abundant number, since it is smaller than the sum of its proper divisors (588453352632).

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

290947447368 is a wasteful number, since it uses less digits than its factorization.

290947447368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

The spelling of 290947447368 in words is "two hundred ninety billion, nine hundred forty-seven million, four hundred forty-seven thousand, three hundred sixty-eight".