550256667840 has 336 divisors, whose sum is σ = 2103676357536. Its totient is φ = 130878259200.

The previous prime is 550256667809. The next prime is 550256667871. The reversal of 550256667840 is 48766652055.

It is an interprime number because it is at equal distance from previous prime (550256667809) and next prime (550256667871).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1515180 + ... + 1842900.

Almost surely, 2^550256667840 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 550256667840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1051838178768).

550256667840 is an abundant number, since it is smaller than the sum of its proper divisors (1553419689696).

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

550256667840 is a wasteful number, since it uses less digits than its factorization.

550256667840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327808 (or 327795 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 54.

The spelling of 550256667840 in words is "five hundred fifty billion, two hundred fifty-six million, six hundred sixty-seven thousand, eight hundred forty".