40538970107 has 4 divisors (see below), whose sum is σ = 40544008440. Its totient is φ = 40533931776.

The previous prime is 40538970077. The next prime is 40538970139. The reversal of 40538970107 is 70107983504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40538970107 - 2⁸ = 40538969851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40538970007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2507078 + ... + 2523195.

It is an arithmetic number, because the mean of its divisors is an integer number (10136002110).

Almost surely, 2^40538970107 is an apocalyptic number.

40538970107 is a deficient number, since it is larger than the sum of its proper divisors (5038333).

40538970107 is an equidigital number, since it uses as much as digits as its factorization.

40538970107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038332.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 40538970107 in words is "forty billion, five hundred thirty-eight million, nine hundred seventy thousand, one hundred seven".