273322969920 has 2688 divisors, whose sum is σ = 1389332044800. Its totient is φ = 49341726720.

The previous prime is 273322969889. The next prime is 273322969991. The reversal of 273322969920 is 29969223372.

It is a happy number.

273322969920 is a `hidden beast` number, since 273 + 3 + 229 + 69 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 16077821752 + ... + 16077821768.

It is an arithmetic number, because the mean of its divisors is an integer number (516864600).

Almost surely, 2^273322969920 is an apocalyptic number.

273322969920 is a gapful number since it is divisible by the number (20) 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 273322969920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694666022400).

273322969920 is an abundant number, since it is smaller than the sum of its proper divisors (1116009074880).

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

273322969920 is a wasteful number, since it uses less digits than its factorization.

273322969920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 54.

The spelling of 273322969920 in words is "two hundred seventy-three billion, three hundred twenty-two million, nine hundred sixty-nine thousand, nine hundred twenty".