234661040540 has 24 divisors (see below), whose sum is σ = 521775726192. Its totient is φ = 88342979840.

The previous prime is 234661040531. The next prime is 234661040561. The reversal of 234661040540 is 45040166432.

234661040540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 234661040540.

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 7 ways as a sum of consecutive naturals, for example, 345089426 + ... + 345090105.

It is an arithmetic number, because the mean of its divisors is an integer number (21740655258).

Almost surely, 2^234661040540 is an apocalyptic number.

234661040540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234661040540 is an abundant number, since it is smaller than the sum of its proper divisors (287114685652).

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

234661040540 is a wasteful number, since it uses less digits than its factorization.

234661040540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690179557 (or 690179555 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 234661040540 in words is "two hundred thirty-four billion, six hundred sixty-one million, forty thousand, five hundred forty".