2026744578 has 80 divisors (see below), whose sum is σ = 4637284344. Its totient is φ = 661478400.

The previous prime is 2026744571. The next prime is 2026744619. The reversal of 2026744578 is 8754476202.

It is a happy number.

2026744578 is a `hidden beast` number, since 2 + 0 + 2 + 6 + 74 + 4 + 578 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2022570729 + 4173849 = 44973^2 + 2043^2 .

It is not an unprimeable number, because it can be changed into a prime (2026744571) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1586476 + ... + 1587752.

Almost surely, 2^2026744578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2026744578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2318642172).

2026744578 is an abundant number, since it is smaller than the sum of its proper divisors (2610539766).

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

2026744578 is a wasteful number, since it uses less digits than its factorization.

2026744578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 2026744578 is about 45019.3800268284. The cubic root of 2026744578 is about 1265.5122107225.

The spelling of 2026744578 in words is "two billion, twenty-six million, seven hundred forty-four thousand, five hundred seventy-eight".