40252613413 has 4 divisors (see below), whose sum is σ = 42620414220. Its totient is φ = 37884812608.

The previous prime is 40252613383. The next prime is 40252613473. The reversal of 40252613413 is 31431625204.

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 12504383329 + 27748230084 = 111823^2 + 166578^2 .

It is a cyclic number.

It is not a de Polignac number, because 40252613413 - 2¹³ = 40252605221 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 (40252613473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183900378 + ... + 1183900411.

It is an arithmetic number, because the mean of its divisors is an integer number (10655103555).

Almost surely, 2^40252613413 is an apocalyptic number.

It is an amenable number.

40252613413 is a deficient number, since it is larger than the sum of its proper divisors (2367800807).

40252613413 is a wasteful number, since it uses less digits than its factorization.

40252613413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367800806.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 40252613413 in words is "forty billion, two hundred fifty-two million, six hundred thirteen thousand, four hundred thirteen".