40437969816959 has 24 divisors (see below), whose sum is σ = 47773049625072. Its totient is φ = 33930782296320.

The previous prime is 40437969816941. The next prime is 40437969816983. The reversal of 40437969816959 is 95961896973404.

It is not a de Polignac number, because 40437969816959 - 2⁴⁰ = 39338458189183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40437969819959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18939299 + ... + 20965995.

It is an arithmetic number, because the mean of its divisors is an integer number (1990543734378).

Almost surely, 2^{40437969816959} is an apocalyptic number.

40437969816959 is a deficient number, since it is larger than the sum of its proper divisors (7335079808113).

40437969816959 is a wasteful number, since it uses less digits than its factorization.

40437969816959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037467 (or 2037454 counting only the distinct ones).

The product of its (nonzero) digits is 3174474240, while the sum is 80.

The spelling of 40437969816959 in words is "forty trillion, four hundred thirty-seven billion, nine hundred sixty-nine million, eight hundred sixteen thousand, nine hundred fifty-nine".