40621132147 has 2 divisors, whose sum is σ = 40621132148. Its totient is φ = 40621132146.

The previous prime is 40621132081. The next prime is 40621132151. The reversal of 40621132147 is 74123112604.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40621132147 is a prime.

It is not a weakly prime, because it can be changed into another prime (40621132247) 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 as a sum of consecutive naturals, namely, 20310566073 + 20310566074.

It is an arithmetic number, because the mean of its divisors is an integer number (20310566074).

Almost surely, 2^40621132147 is an apocalyptic number.

40621132147 is a deficient number, since it is larger than the sum of its proper divisors (1).

40621132147 is an equidigital number, since it uses as much as digits as its factorization.

40621132147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 40621132147 in words is "forty billion, six hundred twenty-one million, one hundred thirty-two thousand, one hundred forty-seven".