43105134440 has 64 divisors (see below), whose sum is σ = 103356725760. Its totient is φ = 16141480960.

The previous prime is 43105134403. The next prime is 43105134481. The reversal of 43105134440 is 4443150134.

It is a happy number.

It is a super-2 number, since 2×43105134440² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455201 + ... + 541680.

It is an arithmetic number, because the mean of its divisors is an integer number (1614948840).

Almost surely, 2^43105134440 is an apocalyptic number.

43105134440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43105134440 is an abundant number, since it is smaller than the sum of its proper divisors (60251591320).

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

43105134440 is a wasteful number, since it uses less digits than its factorization.

43105134440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996962 (or 996958 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 43105134440 its reverse (4443150134), we get a palindrome (47548284574).

The spelling of 43105134440 in words is "forty-three billion, one hundred five million, one hundred thirty-four thousand, four hundred forty".