234615654640 has 160 divisors (see below), whose sum is σ = 568239380352. Its totient is φ = 90015744000.

The previous prime is 234615654619. The next prime is 234615654659. The reversal of 234615654640 is 46456516432.

234615654640 is digitally balanced in base 3, 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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98041284 + ... + 98043676.

Almost surely, 2^234615654640 is an apocalyptic number.

234615654640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234615654640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284119690176).

234615654640 is an abundant number, since it is smaller than the sum of its proper divisors (333623725712).

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

234615654640 is a wasteful number, since it uses less digits than its factorization.

234615654640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939 (or 2933 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 234615654640 in words is "two hundred thirty-four billion, six hundred fifteen million, six hundred fifty-four thousand, six hundred forty".