1552441436 has 144 divisors (see below), whose sum is σ = 3659765760. Its totient is φ = 562049280.

The previous prime is 1552441381. The next prime is 1552441439. The reversal of 1552441436 is 6341442551.

It is a junction number, because it is equal to n+sod(n) for n = 1552441396 and 1552441405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552441439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2786870 + ... + 2787426.

It is an arithmetic number, because the mean of its divisors is an integer number (25415040).

Almost surely, 2^1552441436 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 1552441436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1829882880).

1552441436 is an abundant number, since it is smaller than the sum of its proper divisors (2107324324).

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

1552441436 is a wasteful number, since it uses less digits than its factorization.

1552441436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 629 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 1552441436 is about 39401.0334382234. The cubic root of 1552441436 is about 1157.9018344325.

Adding to 1552441436 its reverse (6341442551), we get a palindrome (7893883987).

The spelling of 1552441436 in words is "one billion, five hundred fifty-two million, four hundred forty-one thousand, four hundred thirty-six".