40125413751529 has 8 divisors (see below), whose sum is σ = 40132440923400. Its totient is φ = 40118387020800.

The previous prime is 40125413751433. The next prime is 40125413751589. The reversal of 40125413751529 is 92515731452104.

It can be written as a sum of positive squares in 4 ways, for example, as 7329771096025 + 32795642655504 = 2707355^2 + 5726748^2 .

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 40125413751529 - 2¹⁹ = 40125413227241 is a prime.

It is a super-2 number, since 2×40125413751529² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40125413751589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218621859 + ... + 218805319.

It is an arithmetic number, because the mean of its divisors is an integer number (5016555115425).

Almost surely, 2^{40125413751529} is an apocalyptic number.

It is an amenable number.

40125413751529 is a deficient number, since it is larger than the sum of its proper divisors (7027171871).

40125413751529 is a wasteful number, since it uses less digits than its factorization.

40125413751529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220571.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 40125413751529 in words is "forty trillion, one hundred twenty-five billion, four hundred thirteen million, seven hundred fifty-one thousand, five hundred twenty-nine".