234500640373440 has 1680 divisors, whose sum is σ = 1006927556050944. Its totient is φ = 51597878169600.

The previous prime is 234500640373403. The next prime is 234500640373477. The reversal of 234500640373440 is 44373046005432.

234500640373440 is a `hidden beast` number, since 2 + 3 + 4 + 500 + 6 + 40 + 37 + 34 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (234500640373403) and next prime (234500640373477).

It is a tau number, because it is divible by the number of its divisors (1680).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 7520128089 + ... + 7520159271.

Almost surely, 2^{234500640373440} is an apocalyptic number.

234500640373440 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 234500640373440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503463778025472).

234500640373440 is an abundant number, since it is smaller than the sum of its proper divisors (772426915677504).

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

234500640373440 is a wasteful number, since it uses less digits than its factorization.

234500640373440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31448 (or 31422 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 45.

Adding to 234500640373440 its reverse (44373046005432), we get a palindrome (278873686378872).

The spelling of 234500640373440 in words is "two hundred thirty-four trillion, five hundred billion, six hundred forty million, three hundred seventy-three thousand, four hundred forty".