40425374365 has 4 divisors (see below), whose sum is σ = 48510449244. Its totient is φ = 32340299488.

The previous prime is 40425374329. The next prime is 40425374369. The reversal of 40425374365 is 56347352404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26867799396 + 13557574969 = 163914^2 + 116437^2 .

It is a cyclic number.

It is not a de Polignac number, because 40425374365 - 2⁹ = 40425373853 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 (40425374369) 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, 4042537432 + ... + 4042537441.

It is an arithmetic number, because the mean of its divisors is an integer number (12127612311).

Almost surely, 2^40425374365 is an apocalyptic number.

It is an amenable number.

40425374365 is a deficient number, since it is larger than the sum of its proper divisors (8085074879).

40425374365 is an equidigital number, since it uses as much as digits as its factorization.

40425374365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8085074878.

The product of its (nonzero) digits is 1209600, while the sum is 43.

The spelling of 40425374365 in words is "forty billion, four hundred twenty-five million, three hundred seventy-four thousand, three hundred sixty-five".