1552400224 has 48 divisors (see below), whose sum is σ = 3172671936. Its totient is φ = 747187200.

The previous prime is 1552400221. The next prime is 1552400279. The reversal of 1552400224 is 4220042551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552400221) 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 7 ways as a sum of consecutive naturals, for example, 83284 + ... + 100204.

It is an arithmetic number, because the mean of its divisors is an integer number (66097332).

Almost surely, 2^1552400224 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 1552400224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1586335968).

1552400224 is an abundant number, since it is smaller than the sum of its proper divisors (1620271712).

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

1552400224 is a wasteful number, since it uses less digits than its factorization.

1552400224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17039 (or 17031 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1552400224 is about 39400.5104535462. The cubic root of 1552400224 is about 1157.8915882333.

Adding to 1552400224 its reverse (4220042551), we get a palindrome (5772442775).

The spelling of 1552400224 in words is "one billion, five hundred fifty-two million, four hundred thousand, two hundred twenty-four".