1012040442 has 24 divisors (see below), whose sum is σ = 2506005216. Its totient is φ = 289154376.

The previous prime is 1012040441. The next prime is 1012040467. The reversal of 1012040442 is 2440402101.

1012040442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1012040441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4015908 + ... + 4016159.

It is an arithmetic number, because the mean of its divisors is an integer number (104416884).

Almost surely, 2^1012040442 is an apocalyptic number.

1012040442 is an abundant number, since it is smaller than the sum of its proper divisors (1493964774).

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

1012040442 is a wasteful number, since it uses less digits than its factorization.

1012040442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8032082 (or 8032079 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1012040442 is about 31812.5830765124. The cubic root of 1012040442 is about 1003.9974795310.

Adding to 1012040442 its reverse (2440402101), we get a palindrome (3452442543).

The spelling of 1012040442 in words is "one billion, twelve million, forty thousand, four hundred forty-two".