40260045 has 16 divisors (see below), whose sum is σ = 73618560. Its totient is φ = 18404544.

The previous prime is 40260037. The next prime is 40260047. The reversal of 40260045 is 54006204.

It is a happy number.

40260045 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 40260045 - 2³ = 40260037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40260047) by changing a digit.

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, 191610 + ... + 191819.

It is an arithmetic number, because the mean of its divisors is an integer number (4601160).

Almost surely, 2^40260045 is an apocalyptic number.

It is an amenable number.

40260045 is a deficient number, since it is larger than the sum of its proper divisors (33358515).

40260045 is a wasteful number, since it uses less digits than its factorization.

40260045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383444.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40260045 is about 6345.0803777415. The cubic root of 40260045 is about 342.7347069028.

Adding to 40260045 its reverse (54006204), we get a palindrome (94266249).

The spelling of 40260045 in words is "forty million, two hundred sixty thousand, forty-five".