2626844460021 has 24 divisors (see below), whose sum is σ = 4016452920480. Its totient is φ = 1651520487456.

The previous prime is 2626844460017. The next prime is 2626844460041. The reversal of 2626844460021 is 1200644486262.

It is not a de Polignac number, because 2626844460021 - 2² = 2626844460017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2626844460041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117018291 + ... + 117040736.

It is an arithmetic number, because the mean of its divisors is an integer number (167352205020).

Almost surely, 2^{2626844460021} is an apocalyptic number.

It is an amenable number.

2626844460021 is a deficient number, since it is larger than the sum of its proper divisors (1389608460459).

2626844460021 is a wasteful number, since it uses less digits than its factorization.

2626844460021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234059105 (or 234059102 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 45.

The spelling of 2626844460021 in words is "two trillion, six hundred twenty-six billion, eight hundred forty-four million, four hundred sixty thousand, twenty-one".