2189747550480 has 480 divisors, whose sum is σ = 8368418136960. Its totient is φ = 470653747200.

The previous prime is 2189747550479. The next prime is 2189747550527. The reversal of 2189747550480 is 840557479812.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 260091711 + ... + 260100129.

It is an arithmetic number, because the mean of its divisors is an integer number (17434204452).

Almost surely, 2^{2189747550480} is an apocalyptic number.

2189747550480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2189747550480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4184209068480).

2189747550480 is an abundant number, since it is smaller than the sum of its proper divisors (6178670586480).

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

2189747550480 is a wasteful number, since it uses less digits than its factorization.

2189747550480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9767 (or 9754 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 60.

The spelling of 2189747550480 in words is "two trillion, one hundred eighty-nine billion, seven hundred forty-seven million, five hundred fifty thousand, four hundred eighty".