1075272444 has 18 divisors (see below), whose sum is σ = 2718049880. Its totient is φ = 358424136.

The previous prime is 1075272413. The next prime is 1075272449. The reversal of 1075272444 is 4442725701.

1075272444 is a `hidden beast` number, since 107 + 527 + 24 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 29868679 = 1075272444 / (1 + 0 + 7 + 5 + 2 + 7 + 2 + 4 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 1075272399 and 1075272408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075272449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14934304 + ... + 14934375.

Almost surely, 2^1075272444 is an apocalyptic number.

It is an amenable number.

1075272444 is an abundant number, since it is smaller than the sum of its proper divisors (1642777436).

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

1075272444 is a wasteful number, since it uses less digits than its factorization.

1075272444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29868689 (or 29868684 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The square root of 1075272444 is about 32791.3470903530. The cubic root of 1075272444 is about 1024.4863399745.

The spelling of 1075272444 in words is "one billion, seventy-five million, two hundred seventy-two thousand, four hundred forty-four".