40427045 has 16 divisors (see below), whose sum is σ = 49496832. Its totient is φ = 31691520.

The previous prime is 40427017. The next prime is 40427087. The reversal of 40427045 is 54072404.

40427045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40427045 - 2¹⁰ = 40426021 is a prime.

It is a super-3 number, since 3×40427045³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 93149 + ... + 93581.

It is an arithmetic number, because the mean of its divisors is an integer number (3093552).

Almost surely, 2^40427045 is an apocalyptic number.

It is an amenable number.

40427045 is a deficient number, since it is larger than the sum of its proper divisors (9069787).

40427045 is a wasteful number, since it uses less digits than its factorization.

40427045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 40427045 is about 6358.2265609209. The cubic root of 40427045 is about 343.2079448075.

Adding to 40427045 its reverse (54072404), we get a palindrome (94499449).

The spelling of 40427045 in words is "forty million, four hundred twenty-seven thousand, forty-five".