40604820389 has 4 divisors (see below), whose sum is σ = 46405509024. Its totient is φ = 34804131756.

The previous prime is 40604820383. The next prime is 40604820397. The reversal of 40604820389 is 98302840604.

40604820389 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 40604820389 - 2⁸ = 40604820133 is a prime.

It is a super-2 number, since 2×40604820389² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40604820383) 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, 2900344307 + ... + 2900344320.

It is an arithmetic number, because the mean of its divisors is an integer number (11601377256).

Almost surely, 2^40604820389 is an apocalyptic number.

It is an amenable number.

40604820389 is a deficient number, since it is larger than the sum of its proper divisors (5800688635).

40604820389 is an equidigital number, since it uses as much as digits as its factorization.

40604820389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5800688634.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 40604820389 in words is "forty billion, six hundred four million, eight hundred twenty thousand, three hundred eighty-nine".