43808525442 has 96 divisors (see below), whose sum is σ = 105992250624. Its totient is φ = 12963168000.

The previous prime is 43808525441. The next prime is 43808525507. The reversal of 43808525442 is 24452580834.

43808525442 is a `hidden beast` number, since 4 + 3 + 80 + 8 + 525 + 4 + 42 = 666.

It is a super-2 number, since 2×43808525442² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43808525441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4247692 + ... + 4257992.

It is an arithmetic number, because the mean of its divisors is an integer number (1104085944).

Almost surely, 2^43808525442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43808525442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52996125312).

43808525442 is an abundant number, since it is smaller than the sum of its proper divisors (62183725182).

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

43808525442 is a wasteful number, since it uses less digits than its factorization.

43808525442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10824 (or 10821 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 45.

The spelling of 43808525442 in words is "forty-three billion, eight hundred eight million, five hundred twenty-five thousand, four hundred forty-two".