40052530145 has 32 divisors (see below), whose sum is σ = 51449761440. Its totient is φ = 29826662400.

The previous prime is 40052530129. The next prime is 40052530151. The reversal of 40052530145 is 54103525004.

It can be written as a sum of positive squares in 16 ways, for example, as 3378748129 + 36673782016 = 58127^2 + 191504^2 .

It is not a de Polignac number, because 40052530145 - 2⁴ = 40052530129 is a prime.

It is a super-2 number, since 2×40052530145² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5564669 + ... + 5571861.

It is an arithmetic number, because the mean of its divisors is an integer number (1607805045).

Almost surely, 2^40052530145 is an apocalyptic number.

It is an amenable number.

40052530145 is a deficient number, since it is larger than the sum of its proper divisors (11397231295).

40052530145 is a wasteful number, since it uses less digits than its factorization.

40052530145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7925.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 40052530145 in words is "forty billion, fifty-two million, five hundred thirty thousand, one hundred forty-five".