2640424424226 has 64 divisors (see below), whose sum is σ = 5613331715712. Its totient is φ = 825133980672.

The previous prime is 2640424424219. The next prime is 2640424424257. The reversal of 2640424424226 is 6224244240462.

It is a super-2 number, since 2×2640424424226² (a number of 26 digits) contains 22 as substring.

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, 111506700 + ... + 111530376.

It is an arithmetic number, because the mean of its divisors is an integer number (87708308058).

Almost surely, 2^{2640424424226} is an apocalyptic number.

2640424424226 is an abundant number, since it is smaller than the sum of its proper divisors (2972907291486).

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

2640424424226 is a wasteful number, since it uses less digits than its factorization.

2640424424226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27923.

The product of its (nonzero) digits is 1179648, while the sum is 42.

Adding to 2640424424226 its reverse (6224244240462), we get a palindrome (8864668664688).

The spelling of 2640424424226 in words is "two trillion, six hundred forty billion, four hundred twenty-four million, four hundred twenty-four thousand, two hundred twenty-six".