273655040 has 72 divisors (see below), whose sum is σ = 658331520. Its totient is φ = 108988416.

The previous prime is 273655037. The next prime is 273655061. The reversal of 273655040 is 40556372.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 273654988 and 273655006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561677 + ... + 562163.

Almost surely, 2^273655040 is an apocalyptic number.

273655040 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 273655040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329165760).

273655040 is an abundant number, since it is smaller than the sum of its proper divisors (384676480).

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

273655040 is an equidigital number, since it uses as much as digits as its factorization.

273655040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 273655040 is about 16542.5221777092. The cubic root of 273655040 is about 649.2338428450.

The spelling of 273655040 in words is "two hundred seventy-three million, six hundred fifty-five thousand, forty".