40036415045405 has 8 divisors (see below), whose sum is σ = 50869797940152. Its totient is φ = 30145065445888.

The previous prime is 40036415045401. The next prime is 40036415045441. The reversal of 40036415045405 is 50454051463004.

It can be written as a sum of positive squares in 4 ways, for example, as 19782328839289 + 20254086206116 = 4447733^2 + 4500454^2 .

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 40036415045405 - 2² = 40036415045401 is a prime.

It is a super-2 number, since 2×40036415045405² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40036415045401) 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, 235508323712 + ... + 235508323881.

It is an arithmetic number, because the mean of its divisors is an integer number (6358724742519).

Almost surely, 2^{40036415045405} is an apocalyptic number.

It is an amenable number.

40036415045405 is a deficient number, since it is larger than the sum of its proper divisors (10833382894747).

40036415045405 is a wasteful number, since it uses less digits than its factorization.

40036415045405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471016647615.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 40036415045405 in words is "forty trillion, thirty-six billion, four hundred fifteen million, forty-five thousand, four hundred five".