290789738122 has 24 divisors (see below), whose sum is σ = 473409285804. Its totient is φ = 133900625664.

The previous prime is 290789738081. The next prime is 290789738131. The reversal of 290789738122 is 221837987092.

It can be written as a sum of positive squares in 6 ways, for example, as 280596001 + 290509142121 = 16751^2 + 538989^2 .

It is a super-2 number, since 2×290789738122² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 847093 + ... + 1139800.

Almost surely, 2^290789738122 is an apocalyptic number.

290789738122 is a deficient number, since it is larger than the sum of its proper divisors (182619547682).

290789738122 is a wasteful number, since it uses less digits than its factorization.

290789738122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987354 (or 1987341 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 290789738122 in words is "two hundred ninety billion, seven hundred eighty-nine million, seven hundred thirty-eight thousand, one hundred twenty-two".