2188207480 has 32 divisors (see below), whose sum is σ = 4974233040. Its totient is φ = 866257920.

The previous prime is 2188207477. The next prime is 2188207481. The reversal of 2188207480 is 847028812.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188207481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278106 + ... + 285865.

Almost surely, 2^2188207480 is an apocalyptic number.

2188207480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2188207480 is an abundant number, since it is smaller than the sum of its proper divisors (2786025560).

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

2188207480 is a wasteful number, since it uses less digits than its factorization.

2188207480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564079 (or 564075 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 2188207480 is about 46778.2800025824. The cubic root of 2188207480 is about 1298.2634565013.

The spelling of 2188207480 in words is "two billion, one hundred eighty-eight million, two hundred seven thousand, four hundred eighty".