2782409264 has 40 divisors (see below), whose sum is σ = 5527882800. Its totient is φ = 1356196608.

The previous prime is 2782409237. The next prime is 2782409269. The reversal of 2782409264 is 4629042872.

It is not an unprimeable number, because it can be changed into a prime (2782409269) 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 7 ways as a sum of consecutive naturals, for example, 122687 + ... + 143585.

It is an arithmetic number, because the mean of its divisors is an integer number (138197070).

Almost surely, 2^2782409264 is an apocalyptic number.

It is an amenable number.

2782409264 is a deficient number, since it is larger than the sum of its proper divisors (2745473536).

2782409264 is a wasteful number, since it uses less digits than its factorization.

2782409264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21117 (or 21111 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 2782409264 is about 52748.5475060688. The cubic root of 2782409264 is about 1406.5019443792.

The spelling of 2782409264 in words is "two billion, seven hundred eighty-two million, four hundred nine thousand, two hundred sixty-four".