824864440042 has 8 divisors (see below), whose sum is σ = 1240115104800. Its totient is φ = 411492738444.

The previous prime is 824864440019. The next prime is 824864440063. The reversal of 824864440042 is 240044468428.

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

It is a junction number, because it is equal to n+sod(n) for n = 824864439974 and 824864440001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469739692 + ... + 469741447.

It is an arithmetic number, because the mean of its divisors is an integer number (155014388100).

Almost surely, 2^824864440042 is an apocalyptic number.

824864440042 is a deficient number, since it is larger than the sum of its proper divisors (415250664758).

824864440042 is a wasteful number, since it uses less digits than its factorization.

824864440042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939481580.

The product of its (nonzero) digits is 1572864, while the sum is 46.

It can be divided in two parts, 82486 and 4440042, that added together give a triangular number (4522528 = T₃₀₀₇).

The spelling of 824864440042 in words is "eight hundred twenty-four billion, eight hundred sixty-four million, four hundred forty thousand, forty-two".