2640273549684 has 96 divisors (see below), whose sum is σ = 6382897790976. Its totient is φ = 848892360960.

The previous prime is 2640273549671. The next prime is 2640273549707. The reversal of 2640273549684 is 4869453720462.

It is a happy number.

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, 111190317 + ... + 111214059.

It is an arithmetic number, because the mean of its divisors is an integer number (66488518656).

Almost surely, 2^{2640273549684} is an apocalyptic number.

It is an amenable number.

2640273549684 is an abundant number, since it is smaller than the sum of its proper divisors (3742624241292).

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

2640273549684 is a wasteful number, since it uses less digits than its factorization.

2640273549684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26645 (or 26643 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 60.

The spelling of 2640273549684 in words is "two trillion, six hundred forty billion, two hundred seventy-three million, five hundred forty-nine thousand, six hundred eighty-four".