1040431247528 has 8 divisors (see below), whose sum is σ = 1950808589130. Its totient is φ = 520215623760.

The previous prime is 1040431247519. The next prime is 1040431247561. The reversal of 1040431247528 is 8257421340401.

It can be written as a sum of positive squares in only one way, i.e., 875044251844 + 165386995684 = 935438^2 + 406678^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1040431247528² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 65026952963 + ... + 65026952978.

Almost surely, 2^{1040431247528} is an apocalyptic number.

It is an amenable number.

1040431247528 is a deficient number, since it is larger than the sum of its proper divisors (910377341602).

1040431247528 is a wasteful number, since it uses less digits than its factorization.

1040431247528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130053905947 (or 130053905943 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

Adding to 1040431247528 its reverse (8257421340401), we get a palindrome (9297852587929).

The spelling of 1040431247528 in words is "one trillion, forty billion, four hundred thirty-one million, two hundred forty-seven thousand, five hundred twenty-eight".