2640301678 has 16 divisors (see below), whose sum is σ = 4527577440. Its totient is φ = 1131221376.

The previous prime is 2640301669. The next prime is 2640301687. The reversal of 2640301678 is 8761030462.

It is an interprime number because it is at equal distance from previous prime (2640301669) and next prime (2640301687).

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, 24058 + ... + 76546.

It is an arithmetic number, because the mean of its divisors is an integer number (282973590).

Almost surely, 2^2640301678 is an apocalyptic number.

2640301678 is a deficient number, since it is larger than the sum of its proper divisors (1887275762).

2640301678 is a wasteful number, since it uses less digits than its factorization.

2640301678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56091.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 2640301678 is about 51383.8659308542. The cubic root of 2640301678 is about 1382.1372885087.

The spelling of 2640301678 in words is "two billion, six hundred forty million, three hundred one thousand, six hundred seventy-eight".