1408140942 has 16 divisors (see below), whose sum is σ = 3032919120. Its totient is φ = 433274112.

The previous prime is 1408140919. The next prime is 1408140947. The reversal of 1408140942 is 2490418041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408140947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9026467 + ... + 9026622.

It is an arithmetic number, because the mean of its divisors is an integer number (189557445).

Almost surely, 2^1408140942 is an apocalyptic number.

1408140942 is an abundant number, since it is smaller than the sum of its proper divisors (1624778178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1408140942 is a wasteful number, since it uses less digits than its factorization.

1408140942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18053107.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1408140942 is about 37525.2040900513. The cubic root of 1408140942 is about 1120.8531292177.

Adding to 1408140942 its reverse (2490418041), we get a palindrome (3898558983).

The spelling of 1408140942 in words is "one billion, four hundred eight million, one hundred forty thousand, nine hundred forty-two".