2745969040 has 20 divisors (see below), whose sum is σ = 6384378204. Its totient is φ = 1098387584.

The previous prime is 2745969029. The next prime is 2745969041. The reversal of 2745969040 is 409695472.

It can be written as a sum of positive squares in 2 ways, for example, as 2142578944 + 603390096 = 46288^2 + 24564^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (2745969041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17162227 + ... + 17162386.

Almost surely, 2^2745969040 is an apocalyptic number.

2745969040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2745969040 is an abundant number, since it is smaller than the sum of its proper divisors (3638409164).

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

2745969040 is a wasteful number, since it uses less digits than its factorization.

2745969040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34324626 (or 34324620 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 2745969040 is about 52401.9946185257. The cubic root of 2745969040 is about 1400.3347906813.

The spelling of 2745969040 in words is "two billion, seven hundred forty-five million, nine hundred sixty-nine thousand, forty".