1040544437 has 2 divisors, whose sum is σ = 1040544438. Its totient is φ = 1040544436.

The previous prime is 1040544383. The next prime is 1040544493. The reversal of 1040544437 is 7344450401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 816473476 + 224070961 = 28574^2 + 14969^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040544437 - 2¹² = 1040540341 is a prime.

It is a super-3 number, since 3×1040544437³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040544137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520272218 + 520272219.

It is an arithmetic number, because the mean of its divisors is an integer number (520272219).

Almost surely, 2^1040544437 is an apocalyptic number.

It is an amenable number.

1040544437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040544437 is an equidigital number, since it uses as much as digits as its factorization.

1040544437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 1040544437 is about 32257.4710261049. The cubic root of 1040544437 is about 1013.3361683203.

Adding to 1040544437 its reverse (7344450401), we get a palindrome (8384994838).

The spelling of 1040544437 in words is "one billion, forty million, five hundred forty-four thousand, four hundred thirty-seven".