273653423340 has 144 divisors (see below), whose sum is σ = 862762168800. Its totient is φ = 64722099200.

The previous prime is 273653423333. The next prime is 273653423371. The reversal of 273653423340 is 43324356372.

It is a super-2 number, since 2×273653423340² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 273653423292 and 273653423301.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162015 + ... + 757334.

It is an arithmetic number, because the mean of its divisors is an integer number (5991403950).

Almost surely, 2^273653423340 is an apocalyptic number.

273653423340 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 273653423340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431381084400).

273653423340 is an abundant number, since it is smaller than the sum of its proper divisors (589108745460).

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

273653423340 is a wasteful number, since it uses less digits than its factorization.

273653423340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919424 (or 919411 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 42.

The spelling of 273653423340 in words is "two hundred seventy-three billion, six hundred fifty-three million, four hundred twenty-three thousand, three hundred forty".