2640024112765 has 32 divisors (see below), whose sum is σ = 3613064023296. Its totient is φ = 1834545853440.

The previous prime is 2640024112763. The next prime is 2640024112787. The reversal of 2640024112765 is 5672114200462.

It is a happy number.

It is not a de Polignac number, because 2640024112765 - 2¹ = 2640024112763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640024112763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6000970 + ... + 6425860.

It is an arithmetic number, because the mean of its divisors is an integer number (112908250728).

Almost surely, 2^{2640024112765} is an apocalyptic number.

It is an amenable number.

2640024112765 is a deficient number, since it is larger than the sum of its proper divisors (973039910531).

2640024112765 is a wasteful number, since it uses less digits than its factorization.

2640024112765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430549.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 2640024112765 in words is "two trillion, six hundred forty billion, twenty-four million, one hundred twelve thousand, seven hundred sixty-five".