40375508389 has 4 divisors (see below), whose sum is σ = 40390695520. Its totient is φ = 40360321260.

The previous prime is 40375508357. The next prime is 40375508429. The reversal of 40375508389 is 98380557304.

40375508389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40375508389 - 2⁵ = 40375508357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40375508489) 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, 7589577 + ... + 7594894.

It is an arithmetic number, because the mean of its divisors is an integer number (10097673880).

Almost surely, 2^40375508389 is an apocalyptic number.

It is an amenable number.

40375508389 is a deficient number, since it is larger than the sum of its proper divisors (15187131).

40375508389 is a wasteful number, since it uses less digits than its factorization.

40375508389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15187130.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 40375508389 in words is "forty billion, three hundred seventy-five million, five hundred eight thousand, three hundred eighty-nine".