40152752305 has 4 divisors (see below), whose sum is σ = 48183302772. Its totient is φ = 32122201840.

The previous prime is 40152752279. The next prime is 40152752309. The reversal of 40152752305 is 50325725104.

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 5981011569 + 34171740736 = 77337^2 + 184856^2 .

It is not a de Polignac number, because 40152752305 - 2⁷ = 40152752177 is a prime.

It is a super-2 number, since 2×40152752305² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40152752309) 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, 4015275226 + ... + 4015275235.

It is an arithmetic number, because the mean of its divisors is an integer number (12045825693).

Almost surely, 2^40152752305 is an apocalyptic number.

It is an amenable number.

40152752305 is a deficient number, since it is larger than the sum of its proper divisors (8030550467).

40152752305 is an equidigital number, since it uses as much as digits as its factorization.

40152752305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8030550466.

The product of its (nonzero) digits is 42000, while the sum is 34.

The spelling of 40152752305 in words is "forty billion, one hundred fifty-two million, seven hundred fifty-two thousand, three hundred five".