40545345011 has 8 divisors (see below), whose sum is σ = 40837524000. Its totient is φ = 40253915520.

The previous prime is 40545344969. The next prime is 40545345017. The reversal of 40545345011 is 11054354504.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40545345011 is a prime.

It is a super-2 number, since 2×40545345011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40545345017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78566 + ... + 295403.

It is an arithmetic number, because the mean of its divisors is an integer number (5104690500).

Almost surely, 2^40545345011 is an apocalyptic number.

40545345011 is a deficient number, since it is larger than the sum of its proper divisors (292178989).

40545345011 is a wasteful number, since it uses less digits than its factorization.

40545345011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374749.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 40545345011 its reverse (11054354504), we get a palindrome (51599699515).

The spelling of 40545345011 in words is "forty billion, five hundred forty-five million, three hundred forty-five thousand, eleven".