275543040 has 88 divisors (see below), whose sum is σ = 881356320. Its totient is φ = 73474048.

The previous prime is 275543027. The next prime is 275543053. The reversal of 275543040 is 40345572.

275543040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (275543027) and next prime (275543053).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 275542989 and 275543007.

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, 6391 + ... + 24329.

Almost surely, 2^275543040 is an apocalyptic number.

275543040 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 275543040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440678160).

275543040 is an abundant number, since it is smaller than the sum of its proper divisors (605813280).

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

275543040 is a wasteful number, since it uses less digits than its factorization.

275543040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17967 (or 17949 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 275543040 is about 16599.4891487660. The cubic root of 275543040 is about 650.7234863337.

The spelling of 275543040 in words is "two hundred seventy-five million, five hundred forty-three thousand, forty".