40545345043 has 8 divisors (see below), whose sum is σ = 47415154688. Its totient is φ = 33944939784.

The previous prime is 40545345031. The next prime is 40545345053. The reversal of 40545345043 is 34054354504.

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

It is not a de Polignac number, because 40545345043 - 2¹³ = 40545336851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40545344993 and 40545345011.

It is not an unprimeable number, because it can be changed into a prime (40545345053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67350771 + ... + 67351372.

It is an arithmetic number, because the mean of its divisors is an integer number (5926894336).

Almost surely, 2^40545345043 is an apocalyptic number.

40545345043 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40545345043 is a deficient number, since it is larger than the sum of its proper divisors (6869809645).

40545345043 is a wasteful number, since it uses less digits than its factorization.

40545345043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134702193.

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 40545345043 its reverse (34054354504), we get a palindrome (74599699547).

The spelling of 40545345043 in words is "forty billion, five hundred forty-five million, three hundred forty-five thousand, forty-three".