273805040 has 20 divisors (see below), whose sum is σ = 636596904. Its totient is φ = 109521984.

The previous prime is 273805031. The next prime is 273805061. The reversal of 273805040 is 40508372.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 273804994 and 273805012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1711202 + ... + 1711361.

Almost surely, 2^273805040 is an apocalyptic number.

273805040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273805040 is an abundant number, since it is smaller than the sum of its proper divisors (362791864).

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

273805040 is a wasteful number, since it uses less digits than its factorization.

273805040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422576 (or 3422570 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 273805040 is about 16547.0553271572. The cubic root of 273805040 is about 649.3524438501.

The spelling of 273805040 in words is "two hundred seventy-three million, eight hundred five thousand, forty".