2640445053 has 8 divisors (see below), whose sum is σ = 3563010528. Its totient is φ = 1739088144.

The previous prime is 2640445043. The next prime is 2640445081. The reversal of 2640445053 is 3505440462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2640445053 - 2⁵ = 2640445021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640445013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5301850 + ... + 5302347.

It is an arithmetic number, because the mean of its divisors is an integer number (445376316).

Almost surely, 2^2640445053 is an apocalyptic number.

It is an amenable number.

2640445053 is a deficient number, since it is larger than the sum of its proper divisors (922565475).

2640445053 is a wasteful number, since it uses less digits than its factorization.

2640445053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10604283.

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 2640445053 is about 51385.2610482812. The cubic root of 2640445053 is about 1382.1623058957.

The spelling of 2640445053 in words is "two billion, six hundred forty million, four hundred forty-five thousand, fifty-three".