219990036 has 48 divisors (see below), whose sum is σ = 594083840. Its totient is φ = 62056800.

The previous prime is 219989989. The next prime is 219990061. The reversal of 219990036 is 630099912.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 219989976 and 219990003.

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 15 ways as a sum of consecutive naturals, for example, 9940 + ... + 23211.

Almost surely, 2^219990036 is an apocalyptic number.

It is an amenable number.

219990036 is an abundant number, since it is smaller than the sum of its proper divisors (374093804).

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

219990036 is a wasteful number, since it uses less digits than its factorization.

219990036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33244 (or 33242 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 219990036 is about 14832.0610840166. The cubic root of 219990036 is about 603.6719597873.

It can be divided in two parts, 2199 and 90036, that added together give a triangular number (92235 = T₄₂₉).

The spelling of 219990036 in words is "two hundred nineteen million, nine hundred ninety thousand, thirty-six".