43622540242655 has 48 divisors (see below), whose sum is σ = 59012367422112. Its totient is φ = 30699506534400.

The previous prime is 43622540242607. The next prime is 43622540242657. The reversal of 43622540242655 is 55624204522634.

It is not a de Polignac number, because 43622540242655 - 2²⁸ = 43622271807199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43622540242657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 809341667 + ... + 809395563.

It is an arithmetic number, because the mean of its divisors is an integer number (1229424321294).

Almost surely, 2^{43622540242655} is an apocalyptic number.

43622540242655 is a deficient number, since it is larger than the sum of its proper divisors (15389827179457).

43622540242655 is a wasteful number, since it uses less digits than its factorization.

43622540242655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69288 (or 69257 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 50.

The spelling of 43622540242655 in words is "forty-three trillion, six hundred twenty-two billion, five hundred forty million, two hundred forty-two thousand, six hundred fifty-five".