1049444775 has 24 divisors (see below), whose sum is σ = 1927870160. Its totient is φ = 559703520.

The previous prime is 1049444771. The next prime is 1049444777. The reversal of 1049444775 is 5774449401.

It is not a de Polignac number, because 1049444775 - 2² = 1049444771 is a prime.

It is a super-2 number, since 2×1049444775² = 2202668671549601250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1049444775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049444771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 776692 + ... + 778041.

Almost surely, 2^1049444775 is an apocalyptic number.

1049444775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1049444775 is a deficient number, since it is larger than the sum of its proper divisors (878425385).

1049444775 is a wasteful number, since it uses less digits than its factorization.

1049444775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554752 (or 1554741 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 1049444775 is about 32395.1350514240. The cubic root of 1049444775 is about 1016.2171732701.

The spelling of 1049444775 in words is "one billion, forty-nine million, four hundred forty-four thousand, seven hundred seventy-five".