40138285381283 has 32 divisors (see below), whose sum is σ = 43376400091200. Its totient is φ = 37028478412800.

The previous prime is 40138285381247. The next prime is 40138285381291. The reversal of 40138285381283 is 38218358283104.

40138285381283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40138285381283 - 2⁶ = 40138285381219 is a prime.

It is a super-2 number, since 2×40138285381283² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40138285381483) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 42010013 + ... + 42954833.

It is an arithmetic number, because the mean of its divisors is an integer number (1355512502850).

Almost surely, 2^{40138285381283} is an apocalyptic number.

40138285381283 is a deficient number, since it is larger than the sum of its proper divisors (3238114709917).

40138285381283 is a wasteful number, since it uses less digits than its factorization.

40138285381283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945303.

The product of its (nonzero) digits is 8847360, while the sum is 56.

The spelling of 40138285381283 in words is "forty trillion, one hundred thirty-eight billion, two hundred eighty-five million, three hundred eighty-one thousand, two hundred eighty-three".