40443282451 has 8 divisors (see below), whose sum is σ = 47513786544. Its totient is φ = 33938418720.

The previous prime is 40443282449. The next prime is 40443282511. The reversal of 40443282451 is 15428234404.

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 40443282451 - 2¹ = 40443282449 is a prime.

It is a super-2 number, since 2×40443282451² (a number of 22 digits) contains 22 as substring.

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 40443282451.

It is not an unprimeable number, because it can be changed into a prime (40443285451) 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, 141409936 + ... + 141410221.

It is an arithmetic number, because the mean of its divisors is an integer number (5939223318).

Almost surely, 2^40443282451 is an apocalyptic number.

40443282451 is a deficient number, since it is larger than the sum of its proper divisors (7070504093).

40443282451 is a wasteful number, since it uses less digits than its factorization.

40443282451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282820181.

The product of its (nonzero) digits is 122880, while the sum is 37.

The spelling of 40443282451 in words is "forty billion, four hundred forty-three million, two hundred eighty-two thousand, four hundred fifty-one".