385550265 has 64 divisors (see below), whose sum is σ = 668570112. Its totient is φ = 189235200.

The previous prime is 385550251. The next prime is 385550267. The reversal of 385550265 is 562055583.

It is not a de Polignac number, because 385550265 - 2⁵ = 385550233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (385550267) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1371925 + ... + 1372205.

It is an arithmetic number, because the mean of its divisors is an integer number (10446408).

Almost surely, 2^385550265 is an apocalyptic number.

It is an amenable number.

385550265 is a deficient number, since it is larger than the sum of its proper divisors (283019847).

385550265 is a wasteful number, since it uses less digits than its factorization.

385550265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450.

The product of its (nonzero) digits is 180000, while the sum is 39.

The square root of 385550265 is about 19635.4339142276. The cubic root of 385550265 is about 727.8250551982.

The spelling of 385550265 in words is "three hundred eighty-five million, five hundred fifty thousand, two hundred sixty-five".