43243233440 has 96 divisors (see below), whose sum is σ = 113338854720. Its totient is φ = 15458252800.

The previous prime is 43243233431. The next prime is 43243233503. The reversal of 43243233440 is 4433234234.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 43243233397 and 43243233406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104381 + ... + 312060.

It is an arithmetic number, because the mean of its divisors is an integer number (1180613070).

Almost surely, 2^43243233440 is an apocalyptic number.

43243233440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43243233440 is an abundant number, since it is smaller than the sum of its proper divisors (70095621280).

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

43243233440 is a wasteful number, since it uses less digits than its factorization.

43243233440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416526 (or 416518 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 43243233440 its reverse (4433234234), we get a palindrome (47676467674).

The spelling of 43243233440 in words is "forty-three billion, two hundred forty-three million, two hundred thirty-three thousand, four hundred forty".