40225043455 has 4 divisors (see below), whose sum is σ = 48270052152. Its totient is φ = 32180034760.

The previous prime is 40225043447. The next prime is 40225043491. The reversal of 40225043455 is 55434052204.

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

It is not a de Polignac number, because 40225043455 - 2³ = 40225043447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40225043455.

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, 4022504341 + ... + 4022504350.

It is an arithmetic number, because the mean of its divisors is an integer number (12067513038).

Almost surely, 2^40225043455 is an apocalyptic number.

40225043455 is a deficient number, since it is larger than the sum of its proper divisors (8045008697).

40225043455 is an equidigital number, since it uses as much as digits as its factorization.

40225043455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045008696.

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 40225043455 its reverse (55434052204), we get a palindrome (95659095659).

The spelling of 40225043455 in words is "forty billion, two hundred twenty-five million, forty-three thousand, four hundred fifty-five".