1052521644042 has 24 divisors (see below), whose sum is σ = 2487778431840. Its totient is φ = 318945952680.

The previous prime is 1052521643983. The next prime is 1052521644059. The reversal of 1052521644042 is 2404461252501.

1052521644042 is a `hidden beast` number, since 1 + 0 + 5 + 2 + 5 + 2 + 1 + 644 + 0 + 4 + 2 = 666.

It is a super-2 number, since 2×1052521644042² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052521643988 and 1052521644006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2657882742 + ... + 2657883137.

It is an arithmetic number, because the mean of its divisors is an integer number (103657434660).

Almost surely, 2^{1052521644042} is an apocalyptic number.

1052521644042 is an abundant number, since it is smaller than the sum of its proper divisors (1435256787798).

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

1052521644042 is a wasteful number, since it uses less digits than its factorization.

1052521644042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315765898 (or 5315765895 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 1052521644042 its reverse (2404461252501), we get a palindrome (3456982896543).

The spelling of 1052521644042 in words is "one trillion, fifty-two billion, five hundred twenty-one million, six hundred forty-four thousand, forty-two".