401020044132329 has 2 divisors, whose sum is σ = 401020044132330. Its totient is φ = 401020044132328.

The previous prime is 401020044132137. The next prime is 401020044132341. The reversal of 401020044132329 is 923231440020104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354333940537600 + 46686103594729 = 18823760^2 + 6832723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401020044132329 is a prime.

It is not a weakly prime, because it can be changed into another prime (401020044135329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200510022066164 + 200510022066165.

It is an arithmetic number, because the mean of its divisors is an integer number (200510022066165).

Almost surely, 2^{401020044132329} is an apocalyptic number.

It is an amenable number.

401020044132329 is a deficient number, since it is larger than the sum of its proper divisors (1).

401020044132329 is an equidigital number, since it uses as much as digits as its factorization.

401020044132329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 401020044132329 in words is "four hundred one trillion, twenty billion, forty-four million, one hundred thirty-two thousand, three hundred twenty-nine".