40000040045 has 8 divisors (see below), whose sum is σ = 54857197824. Its totient is φ = 27428598864.

The previous prime is 40000040039. The next prime is 40000040077. The reversal of 40000040045 is 54004000004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40000040045 - 2⁴ = 40000040029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571429109 + ... + 571429178.

It is an arithmetic number, because the mean of its divisors is an integer number (6857149728).

Almost surely, 2^40000040045 is an apocalyptic number.

It is an amenable number.

40000040045 is a deficient number, since it is larger than the sum of its proper divisors (14857157779).

40000040045 is a wasteful number, since it uses less digits than its factorization.

40000040045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142858299.

The product of its (nonzero) digits is 320, while the sum is 17.

Adding to 40000040045 its reverse (54004000004), we get a palindrome (94004040049).

The spelling of 40000040045 in words is "forty billion, forty thousand, forty-five".