219894969239040 has 160 divisors (see below), whose sum is σ = 733540936018176. Its totient is φ = 56089151528960.

The previous prime is 219894969238991. The next prime is 219894969239089. The reversal of 219894969239040 is 40932969498912.

It is an interprime number because it is at equal distance from previous prime (219894969238991) and next prime (219894969239089).

It is a tau number, because it is divible by the number of its divisors (160).

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, 622261566 + ... + 622614845.

Almost surely, 2^{219894969239040} is an apocalyptic number.

219894969239040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219894969239040 is an abundant number, since it is smaller than the sum of its proper divisors (513645966779136).

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

219894969239040 is a wasteful number, since it uses less digits than its factorization.

219894969239040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244876460 (or 1244876444 counting only the distinct ones).

The product of its (nonzero) digits is 544195584, while the sum is 75.

The spelling of 219894969239040 in words is "two hundred nineteen trillion, eight hundred ninety-four billion, nine hundred sixty-nine million, two hundred thirty-nine thousand, forty".