40041045 has 48 divisors (see below), whose sum is σ = 79028352. Its totient is φ = 18564480.

The previous prime is 40041007. The next prime is 40041073. The reversal of 40041045 is 54014004.

It is not a de Polignac number, because 40041045 - 2⁶ = 40040981 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9627 + ... + 13143.

It is an arithmetic number, because the mean of its divisors is an integer number (1646424).

Almost surely, 2^40041045 is an apocalyptic number.

40041045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40041045 is a deficient number, since it is larger than the sum of its proper divisors (38987307).

40041045 is a wasteful number, since it uses less digits than its factorization.

40041045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562 (or 3559 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 40041045 is about 6327.7993805114. The cubic root of 40041045 is about 342.1121259518.

Adding to 40041045 its reverse (54014004), we get a palindrome (94055049).

The spelling of 40041045 in words is "forty million, forty-one thousand, forty-five".