234628251918 has 32 divisors (see below), whose sum is σ = 472588338816. Its totient is φ = 77655961248.

The previous prime is 234628251917. The next prime is 234628251961. The reversal of 234628251918 is 819152826432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234628251917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277105 + ... + 738947.

It is an arithmetic number, because the mean of its divisors is an integer number (14768385588).

Almost surely, 2^234628251918 is an apocalyptic number.

234628251918 is an abundant number, since it is smaller than the sum of its proper divisors (237960086898).

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

234628251918 is a wasteful number, since it uses less digits than its factorization.

234628251918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462448.

The product of its digits is 1658880, while the sum is 51.

The spelling of 234628251918 in words is "two hundred thirty-four billion, six hundred twenty-eight million, two hundred fifty-one thousand, nine hundred eighteen".