550124940 has 96 divisors (see below), whose sum is σ = 1572125184. Its totient is φ = 143700480.

The previous prime is 550124933. The next prime is 550124963. The reversal of 550124940 is 49421055.

It is a super-2 number, since 2×550124940² = 605274899220007200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 550124898 and 550124907.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1129377 + ... + 1129863.

It is an arithmetic number, because the mean of its divisors is an integer number (16376304).

Almost surely, 2^550124940 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 550124940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786062592).

550124940 is an abundant number, since it is smaller than the sum of its proper divisors (1022000244).

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

550124940 is a wasteful number, since it uses less digits than its factorization.

550124940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 550124940 is about 23454.7423776088. The cubic root of 550124940 is about 819.3833059032.

Adding to 550124940 its reverse (49421055), we get a palindrome (599545995).

The spelling of 550124940 in words is "five hundred fifty million, one hundred twenty-four thousand, nine hundred forty".