40435413505 has 4 divisors (see below), whose sum is σ = 48522496212. Its totient is φ = 32348330800.

The previous prime is 40435413503. The next prime is 40435413523. The reversal of 40435413505 is 50531453404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6376341904 + 34059071601 = 79852^2 + 184551^2 .

It is not a de Polignac number, because 40435413505 - 2¹ = 40435413503 is a prime.

It is a super-4 number, since 4×40435413505⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40435413503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4043541346 + ... + 4043541355.

It is an arithmetic number, because the mean of its divisors is an integer number (12130624053).

Almost surely, 2^40435413505 is an apocalyptic number.

It is an amenable number.

40435413505 is a deficient number, since it is larger than the sum of its proper divisors (8087082707).

40435413505 is an equidigital number, since it uses as much as digits as its factorization.

40435413505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8087082706.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 40435413505 its reverse (50531453404), we get a palindrome (90966866909).

The spelling of 40435413505 in words is "forty billion, four hundred thirty-five million, four hundred thirteen thousand, five hundred five".