40671045 has 16 divisors (see below), whose sum is σ = 72304320. Its totient is φ = 21691152.

The previous prime is 40671041. The next prime is 40671047. The reversal of 40671045 is 54017604.

40671045 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 40671045 - 2² = 40671041 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40671041) 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, 150499 + ... + 150768.

It is an arithmetic number, because the mean of its divisors is an integer number (4519020).

Almost surely, 2^40671045 is an apocalyptic number.

40671045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40671045 is a deficient number, since it is larger than the sum of its proper divisors (31633275).

40671045 is a wasteful number, since it uses less digits than its factorization.

40671045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301281 (or 301275 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 40671045 is about 6377.3854360545. The cubic root of 40671045 is about 343.8970447486.

Adding to 40671045 its reverse (54017604), we get a palindrome (94688649).

The spelling of 40671045 in words is "forty million, six hundred seventy-one thousand, forty-five".