42366545655 has 128 divisors (see below), whose sum is σ = 80940072960. Its totient is φ = 18523176960.

The previous prime is 42366545609. The next prime is 42366545659. The reversal of 42366545655 is 55654566324.

It is not a de Polignac number, because 42366545655 - 2¹⁵ = 42366512887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42366545598 and 42366545607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42366545659) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 66094135 + ... + 66094775.

It is an arithmetic number, because the mean of its divisors is an integer number (632344320).

Almost surely, 2^42366545655 is an apocalyptic number.

42366545655 is a deficient number, since it is larger than the sum of its proper divisors (38573527305).

42366545655 is a wasteful number, since it uses less digits than its factorization.

42366545655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989.

The product of its digits is 12960000, while the sum is 51.

The spelling of 42366545655 in words is "forty-two billion, three hundred sixty-six million, five hundred forty-five thousand, six hundred fifty-five".