40045014509 has 2 divisors, whose sum is σ = 40045014510. Its totient is φ = 40045014508.

The previous prime is 40045014469. The next prime is 40045014613. The reversal of 40045014509 is 90541054004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37018914409 + 3026100100 = 192403^2 + 55010^2 .

It is a cyclic number.

It is not a de Polignac number, because 40045014509 - 2²⁸ = 39776579053 is a prime.

It is a super-2 number, since 2×40045014509² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40045014209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20022507254 + 20022507255.

It is an arithmetic number, because the mean of its divisors is an integer number (20022507255).

Almost surely, 2^40045014509 is an apocalyptic number.

It is an amenable number.

40045014509 is a deficient number, since it is larger than the sum of its proper divisors (1).

40045014509 is an equidigital number, since it uses as much as digits as its factorization.

40045014509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 40045014509 in words is "forty billion, forty-five million, fourteen thousand, five hundred nine".