1852269444 has 63 divisors (see below), whose sum is σ = 4866089557. Its totient is φ = 616648464.

The previous prime is 1852269439. The next prime is 1852269449. The reversal of 1852269444 is 4449622581.

It is a happy number.

The square root of 1852269444 is 43038.

It is a perfect power (a square), and thus also a powerful number.

1852269444 is a `hidden beast` number, since 185 + 2 + 26 + 9 + 444 = 666.

It is an interprime number because it is at equal distance from previous prime (1852269439) and next prime (1852269449).

It can be written as a sum of positive squares in only one way, i.e., 898200900 + 954068544 = 29970^2 + 30888^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1852269444.

It is not an unprimeable number, because it can be changed into a prime (1852269449) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 2323654 + ... + 2324450.

Almost surely, 2^1852269444 is an apocalyptic number.

1852269444 is the 43038-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1852269444

1852269444 is an abundant number, since it is smaller than the sum of its proper divisors (3013820113).

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

1852269444 is an frugal number, since it uses more digits than its factorization.

1852269444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 802 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The cubic root of 1852269444 is about 1228.1027979670.

The spelling of 1852269444 in words is "one billion, eight hundred fifty-two million, two hundred sixty-nine thousand, four hundred forty-four".