1926550444 has 72 divisors (see below), whose sum is σ = 4255191360. Its totient is φ = 756451584.

The previous prime is 1926550441. The next prime is 1926550453. The reversal of 1926550444 is 4440556291.

It is a super-2 number, since 2×1926550444² = 7423193226553194272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1926550397 and 1926550406.

It is not an unprimeable number, because it can be changed into a prime (1926550441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346317 + ... + 351835.

It is an arithmetic number, because the mean of its divisors is an integer number (59099880).

Almost surely, 2^1926550444 is an apocalyptic number.

1926550444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1926550444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2127595680).

1926550444 is an abundant number, since it is smaller than the sum of its proper divisors (2328640916).

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

1926550444 is a wasteful number, since it uses less digits than its factorization.

1926550444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687 (or 5678 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 1926550444 is about 43892.4873298381. The cubic root of 1926550444 is about 1244.3048530345.

The spelling of 1926550444 in words is "one billion, nine hundred twenty-six million, five hundred fifty thousand, four hundred forty-four".