40828446399 has 16 divisors (see below), whose sum is σ = 59500472192. Its totient is φ = 24750193248.

The previous prime is 40828446397. The next prime is 40828446413. The reversal of 40828446399 is 99364482804.

It is not a de Polignac number, because 40828446399 - 2¹ = 40828446397 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 (40828446397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7809949 + ... + 7815174.

It is an arithmetic number, because the mean of its divisors is an integer number (3718779512).

Almost surely, 2^40828446399 is an apocalyptic number.

40828446399 is a deficient number, since it is larger than the sum of its proper divisors (18672025793).

40828446399 is a wasteful number, since it uses less digits than its factorization.

40828446399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15625206.

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 40828446399 in words is "forty billion, eight hundred twenty-eight million, four hundred forty-six thousand, three hundred ninety-nine".