43055644340 has 12 divisors (see below), whose sum is σ = 90416853156. Its totient is φ = 17222257728.

The previous prime is 43055644249. The next prime is 43055644367. The reversal of 43055644340 is 4344655034.

It can be written as a sum of positive squares in 2 ways, for example, as 31654103056 + 11401541284 = 177916^2 + 106778^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43055644294 and 43055644303.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1076391089 + ... + 1076391128.

It is an arithmetic number, because the mean of its divisors is an integer number (7534737763).

Almost surely, 2^43055644340 is an apocalyptic number.

It is an amenable number.

43055644340 is an abundant number, since it is smaller than the sum of its proper divisors (47361208816).

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

43055644340 is a wasteful number, since it uses less digits than its factorization.

43055644340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152782226 (or 2152782224 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 38.

The spelling of 43055644340 in words is "forty-three billion, fifty-five million, six hundred forty-four thousand, three hundred forty".