234364505990 has 32 divisors (see below), whose sum is σ = 440294616000. Its totient is φ = 89650152064.

The previous prime is 234364505989. The next prime is 234364506041. The reversal of 234364505990 is 99505463432.

It is a happy number.

234364505990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 956636 + ... + 1176384.

It is an arithmetic number, because the mean of its divisors is an integer number (13759206750).

Almost surely, 2^234364505990 is an apocalyptic number.

234364505990 is a deficient number, since it is larger than the sum of its proper divisors (205930110010).

234364505990 is a wasteful number, since it uses less digits than its factorization.

234364505990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224416.

The product of its (nonzero) digits is 3499200, while the sum is 50.

The spelling of 234364505990 in words is "two hundred thirty-four billion, three hundred sixty-four million, five hundred five thousand, nine hundred ninety".