553040640 has 216 divisors, whose sum is σ = 1947302448. Its totient is φ = 144875520.

The previous prime is 553040633. The next prime is 553040647. The reversal of 553040640 is 46040355.

It is an interprime number because it is at equal distance from previous prime (553040633) and next prime (553040647).

It is not an unprimeable number, because it can be changed into a prime (553040647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 702327 + ... + 703113.

Almost surely, 2^553040640 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 553040640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (973651224).

553040640 is an abundant number, since it is smaller than the sum of its proper divisors (1394261808).

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

553040640 is a wasteful number, since it uses less digits than its factorization.

553040640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 553040640 is about 23516.8161110300. The cubic root of 553040640 is about 820.8283519042.

Adding to 553040640 its reverse (46040355), we get a palindrome (599080995).

The spelling of 553040640 in words is "five hundred fifty-three million, forty thousand, six hundred forty".