2169480144 has 80 divisors (see below), whose sum is σ = 6164105472. Its totient is φ = 653320704.

The previous prime is 2169480121. The next prime is 2169480193. The reversal of 2169480144 is 4410849612.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7659 + ... + 66314.

Almost surely, 2^2169480144 is an apocalyptic number.

2169480144 is a gapful number since it is divisible by the number (24) 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 2169480144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3082052736).

2169480144 is an abundant number, since it is smaller than the sum of its proper divisors (3994625328).

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

2169480144 is a wasteful number, since it uses less digits than its factorization.

2169480144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74044 (or 74038 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 2169480144 is about 46577.6786025238. The cubic root of 2169480144 is about 1294.5491976508.

The spelling of 2169480144 in words is "two billion, one hundred sixty-nine million, four hundred eighty thousand, one hundred forty-four".