1051440041 has 8 divisors (see below), whose sum is σ = 1059626568. Its totient is φ = 1043280000.

The previous prime is 1051440007. The next prime is 1051440059. The reversal of 1051440041 is 1400441501.

It can be written as a sum of positive squares in 4 ways, for example, as 14600041 + 1036840000 = 3821^2 + 32200^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1051440041 - 2²² = 1047245737 is a prime.

It is a super-2 number, since 2×1051440041² = 2211052319636163362, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1051439995 and 1051440022.

It is not an unprimeable number, because it can be changed into a prime (1051440241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77141 + ... + 89741.

It is an arithmetic number, because the mean of its divisors is an integer number (132453321).

Almost surely, 2^1051440041 is an apocalyptic number.

It is an amenable number.

1051440041 is a deficient number, since it is larger than the sum of its proper divisors (8186527).

1051440041 is a wasteful number, since it uses less digits than its factorization.

1051440041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13243.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1051440041 is about 32425.9161936868. The cubic root of 1051440041 is about 1016.8607961222.

Adding to 1051440041 its reverse (1400441501), we get a palindrome (2451881542).

The spelling of 1051440041 in words is "one billion, fifty-one million, four hundred forty thousand, forty-one".