219683490040 has 64 divisors (see below), whose sum is σ = 584379748800. Its totient is φ = 72722807808.

The previous prime is 219683489989. The next prime is 219683490079. The reversal of 219683490040 is 40094386912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13519189 + ... + 13535428.

It is an arithmetic number, because the mean of its divisors is an integer number (9130933575).

Almost surely, 2^219683490040 is an apocalyptic number.

219683490040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219683490040 is an abundant number, since it is smaller than the sum of its proper divisors (364696258760).

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

219683490040 is a wasteful number, since it uses less digits than its factorization.

219683490040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27054664 (or 27054660 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 219683490040 in words is "two hundred nineteen billion, six hundred eighty-three million, four hundred ninety thousand, forty".