550412504040 has 256 divisors, whose sum is σ = 2103302246400. Its totient is φ = 112176009216.

The previous prime is 550412504039. The next prime is 550412504063. The reversal of 550412504040 is 40405214055.

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 = 550412503989 and 550412504007.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 743004 + ... + 1285643.

It is an arithmetic number, because the mean of its divisors is an integer number (8216024400).

Almost surely, 2^550412504040 is an apocalyptic number.

It is an amenable number.

550412504040 is an abundant number, since it is smaller than the sum of its proper divisors (1552889742360).

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

550412504040 is a wasteful number, since it uses less digits than its factorization.

550412504040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028704 (or 2028700 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 550412504040 its reverse (40405214055), we get a palindrome (590817718095).

The spelling of 550412504040 in words is "five hundred fifty billion, four hundred twelve million, five hundred four thousand, forty".