2745040938 has 32 divisors (see below), whose sum is σ = 5868519552. Its totient is φ = 853881600.

The previous prime is 2745040919. The next prime is 2745040939. The reversal of 2745040938 is 8390405472.

It is a self number, because there is not a number n which added to its sum of digits gives 2745040938.

It is not an unprimeable number, because it can be changed into a prime (2745040939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236923 + ... + 248238.

It is an arithmetic number, because the mean of its divisors is an integer number (183391236).

Almost surely, 2^2745040938 is an apocalyptic number.

2745040938 is an abundant number, since it is smaller than the sum of its proper divisors (3123478614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2745040938 is a wasteful number, since it uses less digits than its factorization.

2745040938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485230.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 2745040938 is about 52393.1382721058. The cubic root of 2745040938 is about 1400.1770078913.

The spelling of 2745040938 in words is "two billion, seven hundred forty-five million, forty thousand, nine hundred thirty-eight".