40056520442 has 16 divisors (see below), whose sum is σ = 63273450240. Its totient is φ = 18966247488.

The previous prime is 40056520433. The next prime is 40056520463. The reversal of 40056520442 is 24402565004.

It is a junction number, because it is equal to n+sod(n) for n = 40056520399 and 40056520408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126218 + ... + 309909.

It is an arithmetic number, because the mean of its divisors is an integer number (3954590640).

Almost surely, 2^40056520442 is an apocalyptic number.

40056520442 is a deficient number, since it is larger than the sum of its proper divisors (23216929798).

40056520442 is a wasteful number, since it uses less digits than its factorization.

40056520442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438565.

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 40056520442 in words is "forty billion, fifty-six million, five hundred twenty thousand, four hundred forty-two".