2026640886466 has 16 divisors (see below), whose sum is σ = 3657096336960. Its totient is φ = 822846675600.

The previous prime is 2026640886463. The next prime is 2026640886469. The reversal of 2026640886466 is 6646880466202.

It is an interprime number because it is at equal distance from previous prime (2026640886463) and next prime (2026640886469).

It is a self number, because there is not a number n which added to its sum of digits gives 2026640886466.

It is not an unprimeable number, because it can be changed into a prime (2026640886461) 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, 3809475085 + ... + 3809475616.

It is an arithmetic number, because the mean of its divisors is an integer number (228568521060).

Almost surely, 2^{2026640886466} is an apocalyptic number.

2026640886466 is a deficient number, since it is larger than the sum of its proper divisors (1630455450494).

2026640886466 is a wasteful number, since it uses less digits than its factorization.

2026640886466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7618950729.

The product of its (nonzero) digits is 31850496, while the sum is 58.

The spelling of 2026640886466 in words is "two trillion, twenty-six billion, six hundred forty million, eight hundred eighty-six thousand, four hundred sixty-six".