44981401918 has 8 divisors (see below), whose sum is σ = 67480828848. Its totient is φ = 22487792304.

The previous prime is 44981401879. The next prime is 44981401919. The reversal of 44981401918 is 81910418944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44981401919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1434946 + ... + 1465957.

It is an arithmetic number, because the mean of its divisors is an integer number (8435103606).

Almost surely, 2^44981401918 is an apocalyptic number.

44981401918 is a deficient number, since it is larger than the sum of its proper divisors (22499426930).

44981401918 is a wasteful number, since it uses less digits than its factorization.

44981401918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908658.

The product of its (nonzero) digits is 331776, while the sum is 49.

The spelling of 44981401918 in words is "forty-four billion, nine hundred eighty-one million, four hundred one thousand, nine hundred eighteen".