2745225240 has 32 divisors (see below), whose sum is σ = 8235676080. Its totient is φ = 732060032.

The previous prime is 2745225211. The next prime is 2745225247. The reversal of 2745225240 is 425225472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745225247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11438319 + ... + 11438558.

Almost surely, 2^2745225240 is an apocalyptic number.

2745225240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2745225240 is an abundant number, since it is smaller than the sum of its proper divisors (5490450840).

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

2745225240 is a wasteful number, since it uses less digits than its factorization.

2745225240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22876891 (or 22876887 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 2745225240 is about 52394.8970797729. The cubic root of 2745225240 is about 1400.2083431432.

The spelling of 2745225240 in words is "two billion, seven hundred forty-five million, two hundred twenty-five thousand, two hundred forty".