1052684451858 has 64 divisors (see below), whose sum is σ = 2281919552640. Its totient is φ = 323734896576.

The previous prime is 1052684451857. The next prime is 1052684451901. The reversal of 1052684451858 is 8581544862501.

It is a super-2 number, since 2×1052684451858² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1052684451798 and 1052684451807.

It is not an unprimeable number, because it can be changed into a prime (1052684451857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26700216 + ... + 26739612.

It is an arithmetic number, because the mean of its divisors is an integer number (35654993010).

Almost surely, 2^{1052684451858} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1052684451858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140959776320).

1052684451858 is an abundant number, since it is smaller than the sum of its proper divisors (1229235100782).

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

1052684451858 is a wasteful number, since it uses less digits than its factorization.

1052684451858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41468 (or 41442 counting only the distinct ones).

The product of its (nonzero) digits is 12288000, while the sum is 57.

The spelling of 1052684451858 in words is "one trillion, fifty-two billion, six hundred eighty-four million, four hundred fifty-one thousand, eight hundred fifty-eight".