40045055575523 has 2 divisors, whose sum is σ = 40045055575524. Its totient is φ = 40045055575522.

The previous prime is 40045055575391. The next prime is 40045055575559. The reversal of 40045055575523 is 32557555054004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40045055575523 - 2²² = 40045051381219 is a prime.

It is not a weakly prime, because it can be changed into another prime (40045055575823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20022527787761 + 20022527787762.

It is an arithmetic number, because the mean of its divisors is an integer number (20022527787762).

Almost surely, 2^{40045055575523} is an apocalyptic number.

40045055575523 is a deficient number, since it is larger than the sum of its proper divisors (1).

40045055575523 is an equidigital number, since it uses as much as digits as its factorization.

40045055575523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10500000, while the sum is 50.

The spelling of 40045055575523 in words is "forty trillion, forty-five billion, fifty-five million, five hundred seventy-five thousand, five hundred twenty-three".