40045335455 has 4 divisors (see below), whose sum is σ = 48054402552. Its totient is φ = 32036268360.

The previous prime is 40045335383. The next prime is 40045335469. The reversal of 40045335455 is 55453354004.

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

It is not a de Polignac number, because 40045335455 - 2³⁴ = 22865466271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4004533541 + ... + 4004533550.

It is an arithmetic number, because the mean of its divisors is an integer number (12013600638).

Almost surely, 2^40045335455 is an apocalyptic number.

40045335455 is a deficient number, since it is larger than the sum of its proper divisors (8009067097).

40045335455 is an equidigital number, since it uses as much as digits as its factorization.

40045335455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8009067096.

The product of its (nonzero) digits is 360000, while the sum is 38.

Adding to 40045335455 its reverse (55453354004), we get a palindrome (95498689459).

The spelling of 40045335455 in words is "forty billion, forty-five million, three hundred thirty-five thousand, four hundred fifty-five".