40445215451 has 8 divisors (see below), whose sum is σ = 40804670400. Its totient is φ = 40086934272.

The previous prime is 40445215441. The next prime is 40445215537. The reversal of 40445215451 is 15451254404.

40445215451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40445215451 - 2⁶ = 40445215387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40445215441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224150 + ... + 362123.

It is an arithmetic number, because the mean of its divisors is an integer number (5100583800).

Almost surely, 2^40445215451 is an apocalyptic number.

40445215451 is a deficient number, since it is larger than the sum of its proper divisors (359454949).

40445215451 is a wasteful number, since it uses less digits than its factorization.

40445215451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586885.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 40445215451 its reverse (15451254404), we get a palindrome (55896469855).

The spelling of 40445215451 in words is "forty billion, four hundred forty-five million, two hundred fifteen thousand, four hundred fifty-one".