219040024 has 16 divisors (see below), whose sum is σ = 469371600. Its totient is φ = 93874272.

The previous prime is 219040009. The next prime is 219040049. The reversal of 219040024 is 420040912.

It is a super-2 number, since 2×219040024² = 95957064227841152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 219039977 and 219040004.

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 3 ways as a sum of consecutive naturals, for example, 1955659 + ... + 1955770.

It is an arithmetic number, because the mean of its divisors is an integer number (29335725).

Almost surely, 2^219040024 is an apocalyptic number.

It is an amenable number.

219040024 is an abundant number, since it is smaller than the sum of its proper divisors (250331576).

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

219040024 is a wasteful number, since it uses less digits than its factorization.

219040024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911442 (or 3911438 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 219040024 is about 14800.0008108108. Note that the first 3 decimals coincide. The cubic root of 219040024 is about 602.8017338193.

Adding to 219040024 its reverse (420040912), we get a palindrome (639080936).

The spelling of 219040024 in words is "two hundred nineteen million, forty thousand, twenty-four".