40445529 has 4 divisors (see below), whose sum is σ = 53927376. Its totient is φ = 26963684.

The previous prime is 40445527. The next prime is 40445539. The reversal of 40445529 is 92554404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40445529 - 2¹ = 40445527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40445529.

It is not an unprimeable number, because it can be changed into a prime (40445527) 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, 6740919 + ... + 6740924.

It is an arithmetic number, because the mean of its divisors is an integer number (13481844).

Almost surely, 2^40445529 is an apocalyptic number.

It is an amenable number.

40445529 is a deficient number, since it is larger than the sum of its proper divisors (13481847).

40445529 is a wasteful number, since it uses less digits than its factorization.

40445529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13481846.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 40445529 is about 6359.6799447771. The cubic root of 40445529 is about 343.2602438650.

The spelling of 40445529 in words is "forty million, four hundred forty-five thousand, five hundred twenty-nine".