219295140 has 24 divisors (see below), whose sum is σ = 614026560. Its totient is φ = 58478688.

The previous prime is 219295117. The next prime is 219295177. The reversal of 219295140 is 41592912.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1827400 + ... + 1827519.

It is an arithmetic number, because the mean of its divisors is an integer number (25584440).

Almost surely, 2^219295140 is an apocalyptic number.

219295140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219295140 is an abundant number, since it is smaller than the sum of its proper divisors (394731420).

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

219295140 is a wasteful number, since it uses less digits than its factorization.

219295140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654931 (or 3654929 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 219295140 is about 14808.6170860077. The cubic root of 219295140 is about 603.0356708242.

The spelling of 219295140 in words is "two hundred nineteen million, two hundred ninety-five thousand, one hundred forty".