2640228220462 has 8 divisors (see below), whose sum is σ = 4526105520816. Its totient is φ = 1131526380192.

The previous prime is 2640228220459. The next prime is 2640228220481.

It is a happy number.

2640228220462 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2640228220462² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94293865003 + ... + 94293865030.

It is an arithmetic number, because the mean of its divisors is an integer number (565763190102).

Almost surely, 2^{2640228220462} is an apocalyptic number.

2640228220462 is a deficient number, since it is larger than the sum of its proper divisors (1885877300354).

2640228220462 is a wasteful number, since it uses less digits than its factorization.

2640228220462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188587730042.

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 2640228220462 in words is "two trillion, six hundred forty billion, two hundred twenty-eight million, two hundred twenty thousand, four hundred sixty-two".