42905500265 has 16 divisors (see below), whose sum is σ = 52522474368. Its totient is φ = 33640690176.

The previous prime is 42905500249. The next prime is 42905500279. The reversal of 42905500265 is 56200550924.

It is a cyclic number.

It is not a de Polignac number, because 42905500265 - 2⁴ = 42905500249 is a prime.

It is a Duffinian 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, 379487 + ... + 479396.

It is an arithmetic number, because the mean of its divisors is an integer number (3282654648).

Almost surely, 2^42905500265 is an apocalyptic number.

It is an amenable number.

42905500265 is a deficient number, since it is larger than the sum of its proper divisors (9616974103).

42905500265 is a wasteful number, since it uses less digits than its factorization.

42905500265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859088.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 42905500265 in words is "forty-two billion, nine hundred five million, five hundred thousand, two hundred sixty-five".