424821115642 has 16 divisors (see below), whose sum is σ = 794470658112. Its totient is φ = 165514720320.

The previous prime is 424821115637. The next prime is 424821115643. The reversal of 424821115642 is 246511128424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 424821115595 and 424821115604.

It is not an unprimeable number, because it can be changed into a prime (424821115643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379289183 + ... + 1379289490.

It is an arithmetic number, because the mean of its divisors is an integer number (49654416132).

Almost surely, 2^424821115642 is an apocalyptic number.

424821115642 is a deficient number, since it is larger than the sum of its proper divisors (369649542470).

424821115642 is a wasteful number, since it uses less digits than its factorization.

424821115642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758578693.

The product of its digits is 122880, while the sum is 40.

The spelling of 424821115642 in words is "four hundred twenty-four billion, eight hundred twenty-one million, one hundred fifteen thousand, six hundred forty-two".