1040442142 has 8 divisors (see below), whose sum is σ = 1566178776. Its totient is φ = 518382552.

The previous prime is 1040442133. The next prime is 1040442157. The reversal of 1040442142 is 2412440401.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918553 + ... + 919684.

It is an arithmetic number, because the mean of its divisors is an integer number (195772347).

Almost surely, 2^1040442142 is an apocalyptic number.

1040442142 is a deficient number, since it is larger than the sum of its proper divisors (525736634).

1040442142 is a wasteful number, since it uses less digits than its factorization.

1040442142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838522.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1040442142 is about 32255.8853854611. The cubic root of 1040442142 is about 1013.3029605057.

Adding to 1040442142 its reverse (2412440401), we get a palindrome (3452882543).

The spelling of 1040442142 in words is "one billion, forty million, four hundred forty-two thousand, one hundred forty-two".