40385346825 has 12 divisors (see below), whose sum is σ = 66770440208. Its totient is φ = 21538851600.

The previous prime is 40385346791. The next prime is 40385346847. The reversal of 40385346825 is 52864358304.

It is not a de Polignac number, because 40385346825 - 2¹⁶ = 40385281289 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 269235571 + ... + 269235720.

Almost surely, 2^40385346825 is an apocalyptic number.

It is an amenable number.

40385346825 is a deficient number, since it is larger than the sum of its proper divisors (26385093383).

40385346825 is a wasteful number, since it uses less digits than its factorization.

40385346825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538471304 (or 538471299 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 40385346825 in words is "forty billion, three hundred eighty-five million, three hundred forty-six thousand, eight hundred twenty-five".