4052578563240 has 128 divisors (see below), whose sum is σ = 12205234483200. Its totient is φ = 1076467242240.

The previous prime is 4052578563239. The next prime is 4052578563263. The reversal of 4052578563240 is 423658752504.

It is a super-2 number, since 2×4052578563240² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 193125789 + ... + 193146771.

It is an arithmetic number, because the mean of its divisors is an integer number (95353394400).

Almost surely, 2^{4052578563240} is an apocalyptic number.

4052578563240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4052578563240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6102617241600).

4052578563240 is an abundant number, since it is smaller than the sum of its proper divisors (8152655919960).

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

4052578563240 is a wasteful number, since it uses less digits than its factorization.

4052578563240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27207 (or 27203 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 51.

The spelling of 4052578563240 in words is "four trillion, fifty-two billion, five hundred seventy-eight million, five hundred sixty-three thousand, two hundred forty".