40446780411 has 4 divisors (see below), whose sum is σ = 53929040552. Its totient is φ = 26964520272.

The previous prime is 40446780383. The next prime is 40446780421. The reversal of 40446780411 is 11408764404.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40446780411 - 2¹⁴ = 40446764027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40446780411.

It is not an unprimeable number, because it can be changed into a prime (40446780421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6741130066 + ... + 6741130071.

It is an arithmetic number, because the mean of its divisors is an integer number (13482260138).

Almost surely, 2^40446780411 is an apocalyptic number.

40446780411 is a deficient number, since it is larger than the sum of its proper divisors (13482260141).

40446780411 is a wasteful number, since it uses less digits than its factorization.

40446780411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13482260140.

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 40446780411 in words is "forty billion, four hundred forty-six million, seven hundred eighty thousand, four hundred eleven".