2026008621 has 24 divisors (see below), whose sum is σ = 3601794560. Its totient is φ = 1068663456.

The previous prime is 2026008617. The next prime is 2026008653. The reversal of 2026008621 is 1268006202.

It is not a de Polignac number, because 2026008621 - 2² = 2026008617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2026008601) 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, 1236061 + ... + 1237698.

Almost surely, 2^2026008621 is an apocalyptic number.

2026008621 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2026008621 is a deficient number, since it is larger than the sum of its proper divisors (1575785939).

2026008621 is a wasteful number, since it uses less digits than its factorization.

2026008621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473785 (or 2473782 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2026008621 is about 45011.2055048518. The cubic root of 2026008621 is about 1265.3590134333.

The spelling of 2026008621 in words is "two billion, twenty-six million, eight thousand, six hundred twenty-one".