40863526765 has 12 divisors (see below), whose sum is σ = 51752923164. Its totient is φ = 30970250496.

The previous prime is 40863526709. The next prime is 40863526783. The reversal of 40863526765 is 56762536804.

It can be written as a sum of positive squares in 2 ways, for example, as 10301844004 + 30561682761 = 101498^2 + 174819^2 .

It is not a de Polignac number, because 40863526765 - 2¹¹ = 40863524717 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 11 ways as a sum of consecutive naturals, for example, 11317732 + ... + 11321341.

It is an arithmetic number, because the mean of its divisors is an integer number (4312743597).

Almost surely, 2^40863526765 is an apocalyptic number.

It is an amenable number.

40863526765 is a deficient number, since it is larger than the sum of its proper divisors (10889396399).

40863526765 is a wasteful number, since it uses less digits than its factorization.

40863526765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22639116 (or 22639097 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 40863526765 in words is "forty billion, eight hundred sixty-three million, five hundred twenty-six thousand, seven hundred sixty-five".