2662040820468 has 24 divisors (see below), whose sum is σ = 6211507389472. Its totient is φ = 887335681824.

The previous prime is 2662040820463. The next prime is 2662040820473. The reversal of 2662040820468 is 8640280402662.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2662040820463) and next prime (2662040820473).

It is a super-2 number, since 2×2662040820468² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662040820463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392830 + ... + 2340597.

Almost surely, 2^{2662040820468} is an apocalyptic number.

It is an amenable number.

2662040820468 is an abundant number, since it is smaller than the sum of its proper divisors (3549466569004).

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

2662040820468 is a wasteful number, since it uses less digits than its factorization.

2662040820468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814591 (or 2814589 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 2662040820468 in words is "two trillion, six hundred sixty-two billion, forty million, eight hundred twenty thousand, four hundred sixty-eight".