40209144367 has 12 divisors (see below), whose sum is σ = 47432694096. Its totient is φ = 33979555680.

The previous prime is 40209144359. The next prime is 40209144373. The reversal of 40209144367 is 76344190204.

It is not a de Polignac number, because 40209144367 - 2³ = 40209144359 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 (40209144067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5775358 + ... + 5782315.

It is an arithmetic number, because the mean of its divisors is an integer number (3952724508).

Almost surely, 2^40209144367 is an apocalyptic number.

40209144367 is a deficient number, since it is larger than the sum of its proper divisors (7223549729).

40209144367 is a wasteful number, since it uses less digits than its factorization.

40209144367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11557758 (or 11557751 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 40209144367 in words is "forty billion, two hundred nine million, one hundred forty-four thousand, three hundred sixty-seven".