2026991736 has 512 divisors, whose sum is σ = 7614259200. Its totient is φ = 483563520.

The previous prime is 2026991713. The next prime is 2026991737. The reversal of 2026991736 is 6371996202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2026991691 and 2026991700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2026991737) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18943795 + ... + 18943901.

It is an arithmetic number, because the mean of its divisors is an integer number (14871600).

Almost surely, 2^2026991736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2026991736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3807129600).

2026991736 is an abundant number, since it is smaller than the sum of its proper divisors (5587267464).

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

2026991736 is a wasteful number, since it uses less digits than its factorization.

2026991736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 2026991736 is about 45022.1249609567. The cubic root of 2026991736 is about 1265.5636509741.

The spelling of 2026991736 in words is "two billion, twenty-six million, nine hundred ninety-one thousand, seven hundred thirty-six".