219046040 has 32 divisors (see below), whose sum is σ = 494030880. Its totient is φ = 87409152.

The previous prime is 219046007. The next prime is 219046081. The reversal of 219046040 is 40640912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10997 + ... + 23643.

It is an arithmetic number, because the mean of its divisors is an integer number (15438465).

Almost surely, 2^219046040 is an apocalyptic number.

219046040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219046040 is an abundant number, since it is smaller than the sum of its proper divisors (274984840).

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

219046040 is a wasteful number, since it uses less digits than its factorization.

219046040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13091 (or 13087 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 219046040 is about 14800.2040526474. The cubic root of 219046040 is about 602.8072524790.

Adding to 219046040 its reverse (40640912), we get a palindrome (259686952).

The spelling of 219046040 in words is "two hundred nineteen million, forty-six thousand, forty".