40256032013 has 8 divisors (see below), whose sum is σ = 43360231200. Its totient is φ = 37250378928.

The previous prime is 40256032001. The next prime is 40256032021. The reversal of 40256032013 is 31023065204.

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 40256032013 - 2¹⁰ = 40256030989 is a prime.

It is a super-2 number, since 2×40256032013² (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 (40256032043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24635678 + ... + 24637311.

It is an arithmetic number, because the mean of its divisors is an integer number (5420028900).

Almost surely, 2^40256032013 is an apocalyptic number.

40256032013 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40256032013 is a deficient number, since it is larger than the sum of its proper divisors (3104199187).

40256032013 is a wasteful number, since it uses less digits than its factorization.

40256032013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49273051.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 40256032013 its reverse (31023065204), we get a palindrome (71279097217).

The spelling of 40256032013 in words is "forty billion, two hundred fifty-six million, thirty-two thousand, thirteen".