2678436720270 has 64 divisors (see below), whose sum is σ = 7169050152000. Its totient is φ = 711594569088.

The previous prime is 2678436720269. The next prime is 2678436720283. The reversal of 2678436720270 is 720276348762.

It is a happy number.

2678436720270 is a `hidden beast` number, since 2 + 6 + 7 + 8 + 4 + 367 + 2 + 0 + 270 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18366285 + ... + 18511544.

It is an arithmetic number, because the mean of its divisors is an integer number (112016408625).

Almost surely, 2^{2678436720270} is an apocalyptic number.

2678436720270 is an abundant number, since it is smaller than the sum of its proper divisors (4490613431730).

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

2678436720270 is a wasteful number, since it uses less digits than its factorization.

2678436720270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36878114 (or 36878108 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 54.

The spelling of 2678436720270 in words is "two trillion, six hundred seventy-eight billion, four hundred thirty-six million, seven hundred twenty thousand, two hundred seventy".