40851085245 has 32 divisors (see below), whose sum is σ = 67144066560. Its totient is φ = 21193413120.

The previous prime is 40851085241. The next prime is 40851085267. The reversal of 40851085245 is 54258015804.

It is not a de Polignac number, because 40851085245 - 2² = 40851085241 is a prime.

It is a super-2 number, since 2×40851085245² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40851085197 and 40851085206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40851085241) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4147036 + ... + 4156874.

It is an arithmetic number, because the mean of its divisors is an integer number (2098252080).

Almost surely, 2^40851085245 is an apocalyptic number.

It is an amenable number.

40851085245 is a deficient number, since it is larger than the sum of its proper divisors (26292981315).

40851085245 is a wasteful number, since it uses less digits than its factorization.

40851085245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17365.

The product of its (nonzero) digits is 256000, while the sum is 42.

The spelling of 40851085245 in words is "forty billion, eight hundred fifty-one million, eighty-five thousand, two hundred forty-five".