40255013405 has 8 divisors (see below), whose sum is σ = 51147546552. Its totient is φ = 30309657088.

The previous prime is 40255013387. The next prime is 40255013411. The reversal of 40255013405 is 50431055204.

40255013405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16837138564 + 23417874841 = 129758^2 + 153029^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40255013405 is a prime.

It is a super-2 number, since 2×40255013405² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236794112 + ... + 236794281.

It is an arithmetic number, because the mean of its divisors is an integer number (6393443319).

Almost surely, 2^40255013405 is an apocalyptic number.

It is an amenable number.

40255013405 is a deficient number, since it is larger than the sum of its proper divisors (10892533147).

40255013405 is a wasteful number, since it uses less digits than its factorization.

40255013405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473588415.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 40255013405 its reverse (50431055204), we get a palindrome (90686068609).

The spelling of 40255013405 in words is "forty billion, two hundred fifty-five million, thirteen thousand, four hundred five".