1011440042 has 8 divisors (see below), whose sum is σ = 1583123616. Its totient is φ = 483732172.

The previous prime is 1011440011. The next prime is 1011440063. The reversal of 1011440042 is 2400441101.

1011440042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1011440042.

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, 10993868 + ... + 10993959.

It is an arithmetic number, because the mean of its divisors is an integer number (197890452).

Almost surely, 2^1011440042 is an apocalyptic number.

1011440042 is a deficient number, since it is larger than the sum of its proper divisors (571683574).

1011440042 is a wasteful number, since it uses less digits than its factorization.

1011440042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21987852.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1011440042 is about 31803.1451589304. The cubic root of 1011440042 is about 1003.7988974368.

Adding to 1011440042 its reverse (2400441101), we get a palindrome (3411881143).

The spelling of 1011440042 in words is "one billion, eleven million, four hundred forty thousand, forty-two".