40206616431 has 8 divisors (see below), whose sum is σ = 53659930800. Its totient is φ = 26778856512.

The previous prime is 40206616427. The next prime is 40206616441. The reversal of 40206616431 is 13461660204.

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

It is not a de Polignac number, because 40206616431 - 2² = 40206616427 is a prime.

It is a super-2 number, since 2×40206616431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40206616392 and 40206616401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40206616441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6384940 + ... + 6391233.

It is an arithmetic number, because the mean of its divisors is an integer number (6707491350).

Almost surely, 2^40206616431 is an apocalyptic number.

40206616431 is a deficient number, since it is larger than the sum of its proper divisors (13453314369).

40206616431 is a wasteful number, since it uses less digits than its factorization.

40206616431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12777225.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 40206616431 in words is "forty billion, two hundred six million, six hundred sixteen thousand, four hundred thirty-one".