40520004527 has 4 divisors (see below), whose sum is σ = 40524288720. Its totient is φ = 40515720336.

The previous prime is 40520004493. The next prime is 40520004587. The reversal of 40520004527 is 72540002504.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40520004527 - 2¹² = 40520000431 is a prime.

It is a super-3 number, since 3×40520004527³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40520004527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40520004587) 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, 2127878 + ... + 2146835.

It is an arithmetic number, because the mean of its divisors is an integer number (10131072180).

Almost surely, 2^40520004527 is an apocalyptic number.

40520004527 is a deficient number, since it is larger than the sum of its proper divisors (4284193).

40520004527 is an equidigital number, since it uses as much as digits as its factorization.

40520004527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284192.

The product of its (nonzero) digits is 11200, while the sum is 29.

The spelling of 40520004527 in words is "forty billion, five hundred twenty million, four thousand, five hundred twenty-seven".