40252413593 has 4 divisors (see below), whose sum is σ = 46002758400. Its totient is φ = 34502068788.

The previous prime is 40252413559. The next prime is 40252413661. The reversal of 40252413593 is 39531425204.

It is a happy number.

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 40252413593 - 2¹² = 40252409497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40252416593) 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, 2875172393 + ... + 2875172406.

It is an arithmetic number, because the mean of its divisors is an integer number (11500689600).

Almost surely, 2^40252413593 is an apocalyptic number.

It is an amenable number.

40252413593 is a deficient number, since it is larger than the sum of its proper divisors (5750344807).

40252413593 is an equidigital number, since it uses as much as digits as its factorization.

40252413593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5750344806.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 40252413593 its reverse (39531425204), we get a palindrome (79783838797).

The spelling of 40252413593 in words is "forty billion, two hundred fifty-two million, four hundred thirteen thousand, five hundred ninety-three".