273740353162500 has 288 divisors, whose sum is σ = 912839872008960. Its totient is φ = 62539706880000.

The previous prime is 273740353162499. The next prime is 273740353162501. The reversal of 273740353162500 is 5261353047372.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (273740353162499) and next prime (273740353162501).

It is a self number, because there is not a number n which added to its sum of digits gives 273740353162500.

It is not an unprimeable number, because it can be changed into a prime (273740353162501) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 558617592 + ... + 559107408.

It is an arithmetic number, because the mean of its divisors is an integer number (3169582888920).

Almost surely, 2^{273740353162500} is an apocalyptic number.

273740353162500 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 273740353162500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456419936004480).

273740353162500 is an abundant number, since it is smaller than the sum of its proper divisors (639099518846460).

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

273740353162500 is a wasteful number, since it uses less digits than its factorization.

273740353162500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491985 (or 491963 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 48.

The spelling of 273740353162500 in words is "two hundred seventy-three trillion, seven hundred forty billion, three hundred fifty-three million, one hundred sixty-two thousand, five hundred".