40506704242 has 8 divisors (see below), whose sum is σ = 63401798016. Its totient is φ = 19372771572.

The previous prime is 40506704221. The next prime is 40506704243. The reversal of 40506704242 is 24240760504.

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

It is a junction number, because it is equal to n+sod(n) for n = 40506704198 and 40506704207.

It is not an unprimeable number, because it can be changed into a prime (40506704243) 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 3 ways as a sum of consecutive naturals, for example, 440290218 + ... + 440290309.

It is an arithmetic number, because the mean of its divisors is an integer number (7925224752).

Almost surely, 2^40506704242 is an apocalyptic number.

40506704242 is a deficient number, since it is larger than the sum of its proper divisors (22895093774).

40506704242 is a wasteful number, since it uses less digits than its factorization.

40506704242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880580552.

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 40506704242 in words is "forty billion, five hundred six million, seven hundred four thousand, two hundred forty-two".