2640284710848 has 112 divisors (see below), whose sum is σ = 8218533382560. Its totient is φ = 828324605952.

The previous prime is 2640284710823. The next prime is 2640284710853. The reversal of 2640284710848 is 8480174820462.

It is a super-2 number, since 2×2640284710848² (a number of 26 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2640284710794 and 2640284710803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44910111 + ... + 44968862.

Almost surely, 2^{2640284710848} is an apocalyptic number.

It is an amenable number.

2640284710848 is an abundant number, since it is smaller than the sum of its proper divisors (5578248671712).

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

2640284710848 is a wasteful number, since it uses less digits than its factorization.

2640284710848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89879011 (or 89878995 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 54.

The spelling of 2640284710848 in words is "two trillion, six hundred forty billion, two hundred eighty-four million, seven hundred ten thousand, eight hundred forty-eight".