234192686640 has 160 divisors (see below), whose sum is σ = 808848516096. Its totient is φ = 55565998080.

The previous prime is 234192686621. The next prime is 234192686657. The reversal of 234192686640 is 46686291432.

234192686640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×234192686640² (a number of 24 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 819637 + ... + 1067796.

Almost surely, 2^234192686640 is an apocalyptic number.

234192686640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234192686640 is an abundant number, since it is smaller than the sum of its proper divisors (574655829456).

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

234192686640 is a wasteful number, since it uses less digits than its factorization.

234192686640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887507 (or 1887501 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 234192686640 in words is "two hundred thirty-four billion, one hundred ninety-two million, six hundred eighty-six thousand, six hundred forty".