2649718264320 has 240 divisors, whose sum is σ = 9472745348352. Its totient is φ = 683798077440.

The previous prime is 2649718264283. The next prime is 2649718264387. The reversal of 2649718264320 is 234628179462.

It is a happy number.

2649718264320 is a `hidden beast` number, since 2 + 6 + 49 + 7 + 18 + 264 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1140682 + ... + 2569161.

Almost surely, 2^{2649718264320} is an apocalyptic number.

2649718264320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2649718264320 is an abundant number, since it is smaller than the sum of its proper divisors (6823027084032).

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

2649718264320 is a wasteful number, since it uses less digits than its factorization.

2649718264320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709903 (or 3709884 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 2649718264320 in words is "two trillion, six hundred forty-nine billion, seven hundred eighteen million, two hundred sixty-four thousand, three hundred twenty".