40861246939 has 8 divisors (see below), whose sum is σ = 42012331200. Its totient is φ = 39717518400.

The previous prime is 40861246931. The next prime is 40861246963. The reversal of 40861246939 is 93964216804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40861246939 - 2³ = 40861246931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40861246931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1827664 + ... + 1849885.

It is an arithmetic number, because the mean of its divisors is an integer number (5251541400).

Almost surely, 2^40861246939 is an apocalyptic number.

40861246939 is a deficient number, since it is larger than the sum of its proper divisors (1151084261).

40861246939 is a wasteful number, since it uses less digits than its factorization.

40861246939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677861.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 40861246939 in words is "forty billion, eight hundred sixty-one million, two hundred forty-six thousand, nine hundred thirty-nine".