234433240140 has 96 divisors (see below), whose sum is σ = 717654841344. Its totient is φ = 56707868160.

The previous prime is 234433240121. The next prime is 234433240163. The reversal of 234433240140 is 41042334432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 234433240098 and 234433240107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87004 + ... + 690243.

It is an arithmetic number, because the mean of its divisors is an integer number (7475571264).

Almost surely, 2^234433240140 is an apocalyptic number.

234433240140 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 234433240140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358827420672).

234433240140 is an abundant number, since it is smaller than the sum of its proper divisors (483221601204).

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

234433240140 is a wasteful number, since it uses less digits than its factorization.

234433240140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777727 (or 777725 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 234433240140 its reverse (41042334432), we get a palindrome (275475574572).

The spelling of 234433240140 in words is "two hundred thirty-four billion, four hundred thirty-three million, two hundred forty thousand, one hundred forty".