1142400404530 has 96 divisors (see below), whose sum is σ = 2645252899200. Its totient is φ = 351195022080.

The previous prime is 1142400404491. The next prime is 1142400404531. The reversal of 1142400404530 is 354040042411.

It is not an unprimeable number, because it can be changed into a prime (1142400404531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1058230 + ... + 1845169.

It is an arithmetic number, because the mean of its divisors is an integer number (27554717700).

Almost surely, 2^{1142400404530} is an apocalyptic number.

1142400404530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142400404530 is an abundant number, since it is smaller than the sum of its proper divisors (1502852494670).

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

1142400404530 is a wasteful number, since it uses less digits than its factorization.

1142400404530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903504 (or 2903497 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 1142400404530 its reverse (354040042411), we get a palindrome (1496440446941).

The spelling of 1142400404530 in words is "one trillion, one hundred forty-two billion, four hundred million, four hundred four thousand, five hundred thirty".