40725543522413 has 8 divisors (see below), whose sum is σ = 40740471264408. Its totient is φ = 40710618494784.

The previous prime is 40725543522409. The next prime is 40725543522421. The reversal of 40725543522413 is 31422534552704.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23631139048969 + 17094404473444 = 4861187^2 + 4134538^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40725543522413 - 2² = 40725543522409 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 (40725543422413) 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 7 ways as a sum of consecutive naturals, for example, 29581031 + ... + 30927147.

It is an arithmetic number, because the mean of its divisors is an integer number (5092558908051).

Almost surely, 2^{40725543522413} is an apocalyptic number.

It is an amenable number.

40725543522413 is a deficient number, since it is larger than the sum of its proper divisors (14927741995).

40725543522413 is a wasteful number, since it uses less digits than its factorization.

40725543522413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357183.

The product of its (nonzero) digits is 4032000, while the sum is 47.

The spelling of 40725543522413 in words is "forty trillion, seven hundred twenty-five billion, five hundred forty-three million, five hundred twenty-two thousand, four hundred thirteen".