1142400404442 has 32 divisors (see below), whose sum is σ = 2492563700160. Its totient is φ = 346174478720.

The previous prime is 1142400404441. The next prime is 1142400404443. The reversal of 1142400404442 is 2444040042411.

It is an interprime number because it is at equal distance from previous prime (1142400404441) and next prime (1142400404443).

It is not an unprimeable number, because it can be changed into a prime (1142400404441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3423934 + ... + 3742742.

It is an arithmetic number, because the mean of its divisors is an integer number (77892615630).

Almost surely, 2^{1142400404442} is an apocalyptic number.

1142400404442 is an abundant number, since it is smaller than the sum of its proper divisors (1350163295718).

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

1142400404442 is a wasteful number, since it uses less digits than its factorization.

1142400404442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373118.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 1142400404442 its reverse (2444040042411), we get a palindrome (3586440446853).

The spelling of 1142400404442 in words is "one trillion, one hundred forty-two billion, four hundred million, four hundred four thousand, four hundred forty-two".