40000000443998 has 16 divisors (see below), whose sum is σ = 70030395915264. Its totient is φ = 16778115687480.

The previous prime is 40000000443961. The next prime is 40000000444049. The reversal of 40000000443998 is 89934400000004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30395136458 + ... + 30395137773.

It is an arithmetic number, because the mean of its divisors is an integer number (4376899744704).

Almost surely, 2^{40000000443998} is an apocalyptic number.

40000000443998 is a deficient number, since it is larger than the sum of its proper divisors (30030395471266).

40000000443998 is a wasteful number, since it uses less digits than its factorization.

40000000443998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60790274287.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 40000000443998 in words is "forty trillion, four hundred forty-three thousand, nine hundred ninety-eight".