40331235045 has 32 divisors (see below), whose sum is σ = 65649398400. Its totient is φ = 21137137664.

The previous prime is 40331235041. The next prime is 40331235071. The reversal of 40331235045 is 54053213304.

It is a cyclic number.

It is not a de Polignac number, because 40331235045 - 2² = 40331235041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40331235041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2726389 + ... + 2741141.

It is an arithmetic number, because the mean of its divisors is an integer number (2051543700).

Almost surely, 2^40331235045 is an apocalyptic number.

It is an amenable number.

40331235045 is a deficient number, since it is larger than the sum of its proper divisors (25318163355).

40331235045 is a wasteful number, since it uses less digits than its factorization.

40331235045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17909.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 40331235045 its reverse (54053213304), we get a palindrome (94384448349).

The spelling of 40331235045 in words is "forty billion, three hundred thirty-one million, two hundred thirty-five thousand, forty-five".