275435990 has 8 divisors (see below), whose sum is σ = 495784800. Its totient is φ = 110174392.

The previous prime is 275435987. The next prime is 275436001. The reversal of 275435990 is 99534572.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 13771790 + ... + 13771809.

It is an arithmetic number, because the mean of its divisors is an integer number (61973100).

Almost surely, 2^275435990 is an apocalyptic number.

275435990 is a deficient number, since it is larger than the sum of its proper divisors (220348810).

275435990 is a wasteful number, since it uses less digits than its factorization.

275435990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27543606.

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 275435990 is about 16596.2643386998. The cubic root of 275435990 is about 650.6392055232.

It can be divided in two parts, 27543 and 5990, that added together give a palindrome (33533).

The spelling of 275435990 in words is "two hundred seventy-five million, four hundred thirty-five thousand, nine hundred ninety".