40657116242 has 8 divisors (see below), whose sum is σ = 61720441776. Its totient is φ = 20083635652.

The previous prime is 40657116209. The next prime is 40657116281. The reversal of 40657116242 is 24261175604.

It is a happy number.

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

It is a super-3 number, since 3×40657116242³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 40657116196 and 40657116205.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 122461028 + ... + 122461359.

It is an arithmetic number, because the mean of its divisors is an integer number (7715055222).

Almost surely, 2^40657116242 is an apocalyptic number.

40657116242 is a deficient number, since it is larger than the sum of its proper divisors (21063325534).

40657116242 is a wasteful number, since it uses less digits than its factorization.

40657116242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244922472.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 40657116242 in words is "forty billion, six hundred fifty-seven million, one hundred sixteen thousand, two hundred forty-two".