219140980 has 12 divisors (see below), whose sum is σ = 460196100. Its totient is φ = 87656384.

The previous prime is 219140969. The next prime is 219140981. The reversal of 219140980 is 89041912.

It can be written as a sum of positive squares in 2 ways, for example, as 132204004 + 86936976 = 11498^2 + 9324^2 .

It is a super-3 number, since 3×219140980³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219140981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5478505 + ... + 5478544.

It is an arithmetic number, because the mean of its divisors is an integer number (38349675).

Almost surely, 2^219140980 is an apocalyptic number.

219140980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219140980 is an abundant number, since it is smaller than the sum of its proper divisors (241055120).

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

219140980 is a wasteful number, since it uses less digits than its factorization.

219140980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10957058 (or 10957056 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 219140980 is about 14803.4110933933. The cubic root of 219140980 is about 602.8943304500.

The spelling of 219140980 in words is "two hundred nineteen million, one hundred forty thousand, nine hundred eighty".