40126643503 has 8 divisors (see below), whose sum is σ = 40916637216. Its totient is φ = 39342895200.

The previous prime is 40126643497. The next prime is 40126643561. The reversal of 40126643503 is 30534662104.

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-40126643503 is a prime.

It is a super-2 number, since 2×40126643503² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40126643603) 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, 1548376 + ... + 1574077.

It is an arithmetic number, because the mean of its divisors is an integer number (5114579652).

Almost surely, 2^40126643503 is an apocalyptic number.

40126643503 is a deficient number, since it is larger than the sum of its proper divisors (789993713).

40126643503 is a wasteful number, since it uses less digits than its factorization.

40126643503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122705.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 40126643503 in words is "forty billion, one hundred twenty-six million, six hundred forty-three thousand, five hundred three".