40444011198 has 24 divisors (see below), whose sum is σ = 87706351200. Its totient is φ = 13469389344.

The previous prime is 40444011161. The next prime is 40444011227. The reversal of 40444011198 is 89111044404.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 974758 + ... + 1015401.

It is an arithmetic number, because the mean of its divisors is an integer number (3654431300).

Almost surely, 2^40444011198 is an apocalyptic number.

40444011198 is an abundant number, since it is smaller than the sum of its proper divisors (47262340002).

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

40444011198 is a wasteful number, since it uses less digits than its factorization.

40444011198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991296 (or 1991293 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 40444011198 in words is "forty billion, four hundred forty-four million, eleven thousand, one hundred ninety-eight".