40213161332 has 12 divisors (see below), whose sum is σ = 70561702596. Its totient is φ = 20052674880.

The previous prime is 40213161323. The next prime is 40213161367. The reversal of 40213161332 is 23316131204.

It can be written as a sum of positive squares in 2 ways, for example, as 19859573776 + 20353587556 = 140924^2 + 142666^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13474769 + ... + 13477752.

It is an arithmetic number, because the mean of its divisors is an integer number (5880141883).

Almost surely, 2^40213161332 is an apocalyptic number.

It is an amenable number.

40213161332 is a deficient number, since it is larger than the sum of its proper divisors (30348541264).

40213161332 is a wasteful number, since it uses less digits than its factorization.

40213161332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26952898 (or 26952896 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 40213161332 its reverse (23316131204), we get a palindrome (63529292536).

The spelling of 40213161332 in words is "forty billion, two hundred thirteen million, one hundred sixty-one thousand, three hundred thirty-two".