2640273415 has 8 divisors (see below), whose sum is σ = 3412045728. Its totient is φ = 1949740320.

The previous prime is 2640273397. The next prime is 2640273437. The reversal of 2640273415 is 5143720462.

2640273415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2640273415 - 2¹¹ = 2640271367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20309731 + ... + 20309860.

It is an arithmetic number, because the mean of its divisors is an integer number (426505716).

Almost surely, 2^2640273415 is an apocalyptic number.

2640273415 is a deficient number, since it is larger than the sum of its proper divisors (771772313).

2640273415 is a wasteful number, since it uses less digits than its factorization.

2640273415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40619609.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 2640273415 is about 51383.5909118855. The cubic root of 2640273415 is about 1382.1323568140.

Adding to 2640273415 its reverse (5143720462), we get a palindrome (7783993877).

The spelling of 2640273415 in words is "two billion, six hundred forty million, two hundred seventy-three thousand, four hundred fifteen".