44181542402 has 16 divisors (see below), whose sum is σ = 67268910240. Its totient is φ = 21758645568.

The previous prime is 44181542357. The next prime is 44181542407. The reversal of 44181542402 is 20424518144.

It is not an unprimeable number, because it can be changed into a prime (44181542407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2158874 + ... + 2179242.

It is an arithmetic number, because the mean of its divisors is an integer number (4204306890).

Almost surely, 2^44181542402 is an apocalyptic number.

44181542402 is a deficient number, since it is larger than the sum of its proper divisors (23087367838).

44181542402 is a wasteful number, since it uses less digits than its factorization.

44181542402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36625.

The product of its (nonzero) digits is 40960, while the sum is 35.

The spelling of 44181542402 in words is "forty-four billion, one hundred eighty-one million, five hundred forty-two thousand, four hundred two".