1140212442 has 32 divisors (see below), whose sum is σ = 2383406208. Its totient is φ = 362960576.

The previous prime is 1140212407. The next prime is 1140212497. The reversal of 1140212442 is 2442120411.

1140212442 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83788 + ... + 96440.

It is an arithmetic number, because the mean of its divisors is an integer number (74481444).

Almost surely, 2^1140212442 is an apocalyptic number.

1140212442 is an abundant number, since it is smaller than the sum of its proper divisors (1243193766).

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

1140212442 is a wasteful number, since it uses less digits than its factorization.

1140212442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13334.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1140212442 is about 33767.0318802231. The cubic root of 1140212442 is about 1044.7088135068.

Adding to 1140212442 its reverse (2442120411), we get a palindrome (3582332853).

The spelling of 1140212442 in words is "one billion, one hundred forty million, two hundred twelve thousand, four hundred forty-two".