43313034440 has 32 divisors (see below), whose sum is σ = 104950815480. Its totient is φ = 15992504832.

The previous prime is 43313034437. The next prime is 43313034449. The reversal of 43313034440 is 4443031334.

It can be written as a sum of positive squares in 4 ways, for example, as 18872714884 + 24440319556 = 137378^2 + 156334^2 .

It is a super-2 number, since 2×43313034440² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43313034449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41646629 + ... + 41647668.

Almost surely, 2^43313034440 is an apocalyptic number.

43313034440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43313034440 is an abundant number, since it is smaller than the sum of its proper divisors (61637781040).

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

43313034440 is a wasteful number, since it uses less digits than its factorization.

43313034440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83294321 (or 83294317 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 43313034440 its reverse (4443031334), we get a palindrome (47756065774).

The spelling of 43313034440 in words is "forty-three billion, three hundred thirteen million, thirty-four thousand, four hundred forty".