43234023040 has 64 divisors (see below), whose sum is σ = 111306845160. Its totient is φ = 15963328512.

The previous prime is 43234023037. The next prime is 43234023073. The reversal of 43234023040 is 4032043234.

It can be written as a sum of positive squares in 4 ways, for example, as 24961472064 + 18272550976 = 157992^2 + 135176^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 43234022996 and 43234023014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2589879 + ... + 2606518.

Almost surely, 2^43234023040 is an apocalyptic number.

43234023040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43234023040 is an abundant number, since it is smaller than the sum of its proper divisors (68072822120).

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

43234023040 is a wasteful number, since it uses less digits than its factorization.

43234023040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5196429 (or 5196417 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 43234023040 its reverse (4032043234), we get a palindrome (47266066274).

The spelling of 43234023040 in words is "forty-three billion, two hundred thirty-four million, twenty-three thousand, forty".