2640707124 has 24 divisors (see below), whose sum is σ = 6721800288. Its totient is φ = 800214240.

The previous prime is 2640707107. The next prime is 2640707137. The reversal of 2640707124 is 4217070462.

It is a super-2 number, since 2×2640707124² = 13946668229488702752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10002547 + ... + 10002810.

It is an arithmetic number, because the mean of its divisors is an integer number (280075012).

Almost surely, 2^2640707124 is an apocalyptic number.

It is an amenable number.

2640707124 is an abundant number, since it is smaller than the sum of its proper divisors (4081093164).

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

2640707124 is a wasteful number, since it uses less digits than its factorization.

2640707124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20005375 (or 20005373 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 2640707124 is about 51387.8110450328. The cubic root of 2640707124 is about 1382.2080321107.

Adding to 2640707124 its reverse (4217070462), we get a palindrome (6857777586).

The spelling of 2640707124 in words is "two billion, six hundred forty million, seven hundred seven thousand, one hundred twenty-four".