40635866245 has 16 divisors (see below), whose sum is σ = 54208046592. Its totient is φ = 29040022080.

The previous prime is 40635866197. The next prime is 40635866261. The reversal of 40635866245 is 54266853604.

It is not a de Polignac number, because 40635866245 - 2²¹ = 40633769093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10081327 + ... + 10085356.

It is an arithmetic number, because the mean of its divisors is an integer number (3388002912).

Almost surely, 2^40635866245 is an apocalyptic number.

It is an amenable number.

40635866245 is a deficient number, since it is larger than the sum of its proper divisors (13572180347).

40635866245 is a wasteful number, since it uses less digits than its factorization.

40635866245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20166732.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 40635866245 in words is "forty billion, six hundred thirty-five million, eight hundred sixty-six thousand, two hundred forty-five".