40328594591 has 4 divisors (see below), whose sum is σ = 40329551184. Its totient is φ = 40327638000.

The previous prime is 40328594557. The next prime is 40328594623. The reversal of 40328594591 is 19549582304.

40328594591 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.

It is a cyclic number.

It is not a de Polignac number, because 40328594591 - 2³⁴ = 23148725407 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 (40328594491) 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, 411995 + ... + 500396.

It is an arithmetic number, because the mean of its divisors is an integer number (10082387796).

Almost surely, 2^40328594591 is an apocalyptic number.

40328594591 is a deficient number, since it is larger than the sum of its proper divisors (956593).

40328594591 is an equidigital number, since it uses as much as digits as its factorization.

40328594591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956592.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 40328594591 in words is "forty billion, three hundred twenty-eight million, five hundred ninety-four thousand, five hundred ninety-one".