40501144445 has 4 divisors (see below), whose sum is σ = 48601373340. Its totient is φ = 32400915552.

The previous prime is 40501144417. The next prime is 40501144457. The reversal of 40501144445 is 54444110504.

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 17117535556 + 23383608889 = 130834^2 + 152917^2 .

It is a cyclic number.

It is not a de Polignac number, because 40501144445 - 2¹² = 40501140349 is a prime.

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, 4050114440 + ... + 4050114449.

It is an arithmetic number, because the mean of its divisors is an integer number (12150343335).

Almost surely, 2^40501144445 is an apocalyptic number.

It is an amenable number.

40501144445 is a deficient number, since it is larger than the sum of its proper divisors (8100228895).

40501144445 is an equidigital number, since it uses as much as digits as its factorization.

40501144445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8100228894.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 40501144445 its reverse (54444110504), we get a palindrome (94945254949).

The spelling of 40501144445 in words is "forty billion, five hundred one million, one hundred forty-four thousand, four hundred forty-five".