40346432361 has 12 divisors (see below), whose sum is σ = 58436980992. Its totient is φ = 26824328856.

The previous prime is 40346432293. The next prime is 40346432363. The reversal of 40346432361 is 16323464304.

40346432361 is a `hidden beast` number, since 4 + 0 + 3 + 4 + 643 + 2 + 3 + 6 + 1 = 666.

It is not a de Polignac number, because 40346432361 - 2¹⁹ = 40345908073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40346432363) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6104241 + ... + 6110846.

It is an arithmetic number, because the mean of its divisors is an integer number (4869748416).

Almost surely, 2^40346432361 is an apocalyptic number.

It is an amenable number.

40346432361 is a deficient number, since it is larger than the sum of its proper divisors (18090548631).

40346432361 is a wasteful number, since it uses less digits than its factorization.

40346432361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12215460 (or 12215457 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 40346432361 its reverse (16323464304), we get a palindrome (56669896665).

The spelling of 40346432361 in words is "forty billion, three hundred forty-six million, four hundred thirty-two thousand, three hundred sixty-one".