40367591446 has 64 divisors (see below), whose sum is σ = 75668705280. Its totient is φ = 15725041920.

The previous prime is 40367591437. The next prime is 40367591447. The reversal of 40367591446 is 64419576304.

It is a self number, because there is not a number n which added to its sum of digits gives 40367591446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40367591447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14587555 + ... + 14590321.

It is an arithmetic number, because the mean of its divisors is an integer number (1182323520).

Almost surely, 2^40367591446 is an apocalyptic number.

40367591446 is a deficient number, since it is larger than the sum of its proper divisors (35301113834).

40367591446 is a wasteful number, since it uses less digits than its factorization.

40367591446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 40367591446 in words is "forty billion, three hundred sixty-seven million, five hundred ninety-one thousand, four hundred forty-six".