554243140 has 48 divisors (see below), whose sum is σ = 1274906304. Its totient is φ = 200720000.

The previous prime is 554243089. The next prime is 554243147. The reversal of 554243140 is 41342455.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 554243099 and 554243108.

It is not an unprimeable number, because it can be changed into a prime (554243147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50202 + ... + 60238.

It is an arithmetic number, because the mean of its divisors is an integer number (26560548).

Almost surely, 2^554243140 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 554243140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637453152).

554243140 is an abundant number, since it is smaller than the sum of its proper divisors (720663164).

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

554243140 is a wasteful number, since it uses less digits than its factorization.

554243140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10308 (or 10306 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 554243140 is about 23542.3690396697. The cubic root of 554243140 is about 821.4228420088.

Adding to 554243140 its reverse (41342455), we get a palindrome (595585595).

It can be divided in two parts, 55424 and 3140, that added together give a square (58564 = 242²).

The spelling of 554243140 in words is "five hundred fifty-four million, two hundred forty-three thousand, one hundred forty".