2026351644 has 48 divisors (see below), whose sum is σ = 4848802560. Its totient is φ = 658430080.

The previous prime is 2026351633. The next prime is 2026351693. The reversal of 2026351644 is 4461536202.

It is a super-2 number, since 2×2026351644² = 8212201970283005472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62467 + ... + 89189.

It is an arithmetic number, because the mean of its divisors is an integer number (101016720).

Almost surely, 2^2026351644 is an apocalyptic number.

It is an amenable number.

2026351644 is an abundant number, since it is smaller than the sum of its proper divisors (2822450916).

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

2026351644 is a wasteful number, since it uses less digits than its factorization.

2026351644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26890 (or 26888 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2026351644 is about 45015.0157614101. The cubic root of 2026351644 is about 1265.4304219400.

Adding to 2026351644 its reverse (4461536202), we get a palindrome (6487887846).

The spelling of 2026351644 in words is "two billion, twenty-six million, three hundred fifty-one thousand, six hundred forty-four".