2640373059456 has 192 divisors, whose sum is σ = 8649049069440. Its totient is φ = 765325440000.

The previous prime is 2640373059349. The next prime is 2640373059473. The reversal of 2640373059456 is 6549503730462.

2640373059456 is a `hidden beast` number, since 2 + 6 + 40 + 3 + 7 + 3 + 0 + 594 + 5 + 6 = 666.

2640373059456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×2640373059456² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 4238170 + ... + 4821081.

It is an arithmetic number, because the mean of its divisors is an integer number (45047130570).

Almost surely, 2^{2640373059456} is an apocalyptic number.

It is an amenable number.

2640373059456 is an abundant number, since it is smaller than the sum of its proper divisors (6008676009984).

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

2640373059456 is a wasteful number, since it uses less digits than its factorization.

2640373059456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9059305 (or 9059290 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 54.

The spelling of 2640373059456 in words is "two trillion, six hundred forty billion, three hundred seventy-three million, fifty-nine thousand, four hundred fifty-six".