40445031459 has 32 divisors (see below), whose sum is σ = 61829447680. Its totient is φ = 23036983200.

The previous prime is 40445031383. The next prime is 40445031463. The reversal of 40445031459 is 95413054404.

It is not a de Polignac number, because 40445031459 - 2⁷ = 40445031331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40445031469) 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 31 ways as a sum of consecutive naturals, for example, 9722622 + ... + 9726780.

It is an arithmetic number, because the mean of its divisors is an integer number (1932170240).

Almost surely, 2^40445031459 is an apocalyptic number.

40445031459 is a deficient number, since it is larger than the sum of its proper divisors (21384416221).

40445031459 is a wasteful number, since it uses less digits than its factorization.

40445031459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 40445031459 in words is "forty billion, four hundred forty-five million, thirty-one thousand, four hundred fifty-nine".