40013242435 has 4 divisors (see below), whose sum is σ = 48015890928. Its totient is φ = 32010593944.

The previous prime is 40013242433. The next prime is 40013242441. The reversal of 40013242435 is 53424231004.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40013242435 - 2¹ = 40013242433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40013242433) 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, 4001324239 + ... + 4001324248.

It is an arithmetic number, because the mean of its divisors is an integer number (12003972732).

Almost surely, 2^40013242435 is an apocalyptic number.

40013242435 is a deficient number, since it is larger than the sum of its proper divisors (8002648493).

40013242435 is an equidigital number, since it uses as much as digits as its factorization.

40013242435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8002648492.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 40013242435 its reverse (53424231004), we get a palindrome (93437473439).

The spelling of 40013242435 in words is "forty billion, thirteen million, two hundred forty-two thousand, four hundred thirty-five".