290951252252 has 18 divisors (see below), whose sum is σ = 510531149184. Its totient is φ = 145085265520.

The previous prime is 290951252237. The next prime is 290951252261. The reversal of 290951252252 is 252252159092.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21105602 + ... + 21119382.

Almost surely, 2^290951252252 is an apocalyptic number.

It is an amenable number.

290951252252 is a deficient number, since it is larger than the sum of its proper divisors (219579896932).

290951252252 is an frugal number, since it uses more digits than its factorization.

290951252252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27949 (or 14166 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 290951252252 in words is "two hundred ninety billion, nine hundred fifty-one million, two hundred fifty-two thousand, two hundred fifty-two".