44198187901 has 8 divisors (see below), whose sum is σ = 50822106944. Its totient is φ = 37651741920.

The previous prime is 44198187871. The next prime is 44198187937. The reversal of 44198187901 is 10978189144.

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

It is a cyclic number.

It is not a de Polignac number, because 44198187901 - 2¹⁷ = 44198056829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44198187601) 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, 19367040 + ... + 19369321.

It is an arithmetic number, because the mean of its divisors is an integer number (6352763368).

Almost surely, 2^44198187901 is an apocalyptic number.

It is an amenable number.

44198187901 is a deficient number, since it is larger than the sum of its proper divisors (6623919043).

44198187901 is a wasteful number, since it uses less digits than its factorization.

44198187901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38736531.

The product of its (nonzero) digits is 580608, while the sum is 52.

The spelling of 44198187901 in words is "forty-four billion, one hundred ninety-eight million, one hundred eighty-seven thousand, nine hundred one".