40013402513 has 8 divisors (see below), whose sum is σ = 45731896128. Its totient is φ = 34295482224.

The previous prime is 40013402509. The next prime is 40013402557. The reversal of 40013402513 is 31520431004.

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

It is a cyclic number.

It is not a de Polignac number, because 40013402513 - 2² = 40013402509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40013402563) 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, 18395 + ... + 283487.

It is an arithmetic number, because the mean of its divisors is an integer number (5716487016).

Almost surely, 2^40013402513 is an apocalyptic number.

It is an amenable number.

40013402513 is a deficient number, since it is larger than the sum of its proper divisors (5718493615).

40013402513 is a wasteful number, since it uses less digits than its factorization.

40013402513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286663.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 40013402513 its reverse (31520431004), we get a palindrome (71533833517).

The spelling of 40013402513 in words is "forty billion, thirteen million, four hundred two thousand, five hundred thirteen".