40249162405 has 8 divisors (see below), whose sum is σ = 48374348184. Its totient is φ = 32149094400.

The previous prime is 40249162357. The next prime is 40249162417. The reversal of 40249162405 is 50426194204.

It can be written as a sum of positive squares in 4 ways, for example, as 3015986724 + 37233175681 = 54918^2 + 192959^2 .

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

It is not a de Polignac number, because 40249162405 - 2¹³ = 40249154213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6275916 + ... + 6282325.

It is an arithmetic number, because the mean of its divisors is an integer number (6046793523).

Almost surely, 2^40249162405 is an apocalyptic number.

It is an amenable number.

40249162405 is a deficient number, since it is larger than the sum of its proper divisors (8125185779).

40249162405 is a wasteful number, since it uses less digits than its factorization.

40249162405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12558887.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 40249162405 in words is "forty billion, two hundred forty-nine million, one hundred sixty-two thousand, four hundred five".