209241298000 has 80 divisors (see below), whose sum is σ = 578223419904. Its totient is φ = 71739868800.

The previous prime is 209241297983. The next prime is 209241298009. The reversal of 209241298000 is 892142902.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209241298009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7458904 + ... + 7486903.

Almost surely, 2^209241298000 is an apocalyptic number.

209241298000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

209241298000 is an abundant number, since it is smaller than the sum of its proper divisors (368982121904).

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

209241298000 is a wasteful number, since it uses less digits than its factorization.

209241298000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14945837 (or 14945821 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 209241298000 in words is "two hundred nine billion, two hundred forty-one million, two hundred ninety-eight thousand".