40451582041 has 8 divisors (see below), whose sum is σ = 44385190920. Its totient is φ = 36635394432.

The previous prime is 40451582021. The next prime is 40451582071. The reversal of 40451582041 is 14028515404.

It can be written as a sum of positive squares in 4 ways, for example, as 15997190400 + 24454391641 = 126480^2 + 156379^2 .

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

It is not a de Polignac number, because 40451582041 - 2⁵ = 40451582009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40451581988 and 40451582006.

It is not an unprimeable number, because it can be changed into a prime (40451582011) 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, 29354596 + ... + 29355973.

It is an arithmetic number, because the mean of its divisors is an integer number (5548148865).

Almost surely, 2^40451582041 is an apocalyptic number.

It is an amenable number.

40451582041 is a deficient number, since it is larger than the sum of its proper divisors (3933608879).

40451582041 is a wasteful number, since it uses less digits than its factorization.

40451582041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58710635.

The product of its (nonzero) digits is 25600, while the sum is 34.

The spelling of 40451582041 in words is "forty billion, four hundred fifty-one million, five hundred eighty-two thousand, forty-one".