275287044 has 12 divisors (see below), whose sum is σ = 642336464. Its totient is φ = 91762344.

The previous prime is 275287039. The next prime is 275287081. The reversal of 275287044 is 440782572.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 275286993 and 275287011.

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, 11470282 + ... + 11470305.

Almost surely, 2^275287044 is an apocalyptic number.

It is an amenable number.

275287044 is an abundant number, since it is smaller than the sum of its proper divisors (367049420).

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

275287044 is a wasteful number, since it uses less digits than its factorization.

275287044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22940594 (or 22940592 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 275287044 is about 16591.7763967575. The cubic root of 275287044 is about 650.5219035191.

The spelling of 275287044 in words is "two hundred seventy-five million, two hundred eighty-seven thousand, forty-four".