1040143426 has 16 divisors (see below), whose sum is σ = 1824571584. Its totient is φ = 435408624.

The previous prime is 1040143411. The next prime is 1040143427. The reversal of 1040143426 is 6243410401.

It is a self number, because there is not a number n which added to its sum of digits gives 1040143426.

It is not an unprimeable number, because it can be changed into a prime (1040143427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863305 + ... + 864508.

It is an arithmetic number, because the mean of its divisors is an integer number (114035724).

Almost surely, 2^1040143426 is an apocalyptic number.

1040143426 is a deficient number, since it is larger than the sum of its proper divisors (784428158).

1040143426 is a wasteful number, since it uses less digits than its factorization.

1040143426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727865.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1040143426 is about 32251.2546422616. The cubic root of 1040143426 is about 1013.2059764872.

Adding to 1040143426 its reverse (6243410401), we get a palindrome (7283553827).

The spelling of 1040143426 in words is "one billion, forty million, one hundred forty-three thousand, four hundred twenty-six".