1056040445 has 6 divisors (see below), whose sum is σ = 1267335738. Its totient is φ = 844774224.

The previous prime is 1056040373. The next prime is 1056040471. The reversal of 1056040445 is 5440406501.

It can be written as a sum of positive squares in 3 ways, for example, as 156700324 + 899340121 = 12518^2 + 29989^2 .

It is not a de Polignac number, because 1056040445 - 2¹⁴ = 1056024061 is a prime.

It is a super-2 number, since 2×1056040445² = 2230442842951596050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65399 + ... + 79931.

It is an arithmetic number, because the mean of its divisors is an integer number (211222623).

Almost surely, 2^1056040445 is an apocalyptic number.

It is an amenable number.

1056040445 is a deficient number, since it is larger than the sum of its proper divisors (211295293).

1056040445 is an frugal number, since it uses more digits than its factorization.

1056040445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29071 (or 14538 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1056040445 is about 32496.7759170044. The cubic root of 1056040445 is about 1018.3416744930.

Adding to 1056040445 its reverse (5440406501), we get a palindrome (6496446946).

The spelling of 1056040445 in words is "one billion, fifty-six million, forty thousand, four hundred forty-five".