1040340142 has 16 divisors (see below), whose sum is σ = 1621990800. Its totient is φ = 499847040.

The previous prime is 1040340139. The next prime is 1040340167. The reversal of 1040340142 is 2410430401.

It is a super-2 number, since 2×1040340142² = 2164615222113160328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30267 + ... + 54742.

It is an arithmetic number, because the mean of its divisors is an integer number (101374425).

Almost surely, 2^1040340142 is an apocalyptic number.

1040340142 is a deficient number, since it is larger than the sum of its proper divisors (581650658).

1040340142 is a wasteful number, since it uses less digits than its factorization.

1040340142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85251.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1040340142 is about 32254.3042398995. The cubic root of 1040340142 is about 1013.2698462889.

Adding to 1040340142 its reverse (2410430401), we get a palindrome (3450770543).

The spelling of 1040340142 in words is "one billion, forty million, three hundred forty thousand, one hundred forty-two".