40210043505 has 8 divisors (see below), whose sum is σ = 64336069632. Its totient is φ = 21445356528.

The previous prime is 40210043491. The next prime is 40210043537. The reversal of 40210043505 is 50534001204.

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

It is a de Polignac number, because none of the positive numbers 2^k-40210043505 is a prime.

It is an unprimeable number.

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, 1340334769 + ... + 1340334798.

It is an arithmetic number, because the mean of its divisors is an integer number (8042008704).

Almost surely, 2^40210043505 is an apocalyptic number.

It is an amenable number.

40210043505 is a deficient number, since it is larger than the sum of its proper divisors (24126026127).

40210043505 is a wasteful number, since it uses less digits than its factorization.

40210043505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680669575.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 40210043505 its reverse (50534001204), we get a palindrome (90744044709).

The spelling of 40210043505 in words is "forty billion, two hundred ten million, forty-three thousand, five hundred five".