290669538832 has 20 divisors (see below), whose sum is σ = 563180785596. Its totient is φ = 145332561920.

The previous prime is 290669538823. The next prime is 290669538833. The reversal of 290669538832 is 238835966092.

It can be written as a sum of positive squares in 2 ways, for example, as 278260470016 + 12409068816 = 527504^2 + 111396^2 .

It is not an unprimeable number, because it can be changed into a prime (290669538833) 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, 1652232 + ... + 1819672.

Almost surely, 2^290669538832 is an apocalyptic number.

It is an amenable number.

290669538832 is a deficient number, since it is larger than the sum of its proper divisors (272511246764).

290669538832 is a wasteful number, since it uses less digits than its factorization.

290669538832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275946 (or 275940 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 61.

The spelling of 290669538832 in words is "two hundred ninety billion, six hundred sixty-nine million, five hundred thirty-eight thousand, eight hundred thirty-two".