43445450635655 has 16 divisors (see below), whose sum is σ = 54049562116704. Its totient is φ = 33500106501120.

The previous prime is 43445450635649. The next prime is 43445450635669. The reversal of 43445450635655 is 55653605454434.

It is not a de Polignac number, because 43445450635655 - 2²² = 43445446441351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43445450635594 and 43445450635603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1276663874 + ... + 1276697903.

It is an arithmetic number, because the mean of its divisors is an integer number (3378097632294).

Almost surely, 2^{43445450635655} is an apocalyptic number.

43445450635655 is a deficient number, since it is larger than the sum of its proper divisors (10604111481049).

43445450635655 is a wasteful number, since it uses less digits than its factorization.

43445450635655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553361906.

The product of its (nonzero) digits is 259200000, while the sum is 59.

The spelling of 43445450635655 in words is "forty-three trillion, four hundred forty-five billion, four hundred fifty million, six hundred thirty-five thousand, six hundred fifty-five".