18147269207200 has 576 divisors, whose sum is σ = 52108914816000. Its totient is φ = 6168626150400.

The previous prime is 18147269207147. The next prime is 18147269207227. The reversal of 18147269207200 is 270296274181.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21943493187 + ... + 21943494013.

It is an arithmetic number, because the mean of its divisors is an integer number (90466866000).

Almost surely, 2^{18147269207200} is an apocalyptic number.

18147269207200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18147269207200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26054457408000).

18147269207200 is an abundant number, since it is smaller than the sum of its proper divisors (33961645608800).

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

18147269207200 is a wasteful number, since it uses less digits than its factorization.

18147269207200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458 (or 1431 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 18147269207200 in words is "eighteen trillion, one hundred forty-seven billion, two hundred sixty-nine million, two hundred seven thousand, two hundred".