40865334842 has 16 divisors (see below), whose sum is σ = 65967766632. Its totient is φ = 18915486720.

The previous prime is 40865334779. The next prime is 40865334863. The reversal of 40865334842 is 24843356804.

It can be written as a sum of positive squares in 4 ways, for example, as 39089639521 + 1775695321 = 197711^2 + 42139^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9849743 + ... + 9853890.

Almost surely, 2^40865334842 is an apocalyptic number.

40865334842 is a deficient number, since it is larger than the sum of its proper divisors (25102431790).

40865334842 is a wasteful number, since it uses less digits than its factorization.

40865334842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19703713.

The product of its (nonzero) digits is 2211840, while the sum is 47.

The spelling of 40865334842 in words is "forty billion, eight hundred sixty-five million, three hundred thirty-four thousand, eight hundred forty-two".