43254134446 has 16 divisors (see below), whose sum is σ = 65174426928. Its totient is φ = 21529368000.

The previous prime is 43254134423. The next prime is 43254134447. The reversal of 43254134446 is 64443145234.

It is a junction number, because it is equal to n+sod(n) for n = 43254134399 and 43254134408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43254134447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2928901 + ... + 2943631.

It is an arithmetic number, because the mean of its divisors is an integer number (4073401683).

Almost surely, 2^43254134446 is an apocalyptic number.

43254134446 is a deficient number, since it is larger than the sum of its proper divisors (21920292482).

43254134446 is a wasteful number, since it uses less digits than its factorization.

43254134446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21267.

The product of its digits is 552960, while the sum is 40.

The spelling of 43254134446 in words is "forty-three billion, two hundred fifty-four million, one hundred thirty-four thousand, four hundred forty-six".