1234821400418 has 8 divisors (see below), whose sum is σ = 1949718000720. Its totient is φ = 584915400180.

The previous prime is 1234821400411. The next prime is 1234821400427. The reversal of 1234821400418 is 8140041284321.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 32495300011 = 1234821400418 / (1 + 2 + 3 + 4 + 8 + 2 + 1 + 4 + 0 + 0 + 4 + 1 + 8).

It is not an unprimeable number, because it can be changed into a prime (1234821400411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16247649968 + ... + 16247650043.

It is an arithmetic number, because the mean of its divisors is an integer number (243714750090).

Almost surely, 2^{1234821400418} is an apocalyptic number.

1234821400418 is a deficient number, since it is larger than the sum of its proper divisors (714896600302).

1234821400418 is a wasteful number, since it uses less digits than its factorization.

1234821400418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32495300032.

The product of its (nonzero) digits is 49152, while the sum is 38.

Adding to 1234821400418 its reverse (8140041284321), we get a palindrome (9374862684739).

The spelling of 1234821400418 in words is "one trillion, two hundred thirty-four billion, eight hundred twenty-one million, four hundred thousand, four hundred eighteen".