401403340357 has 2 divisors, whose sum is σ = 401403340358. Its totient is φ = 401403340356.

The previous prime is 401403340271. The next prime is 401403340363. The reversal of 401403340357 is 753043304104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283621218721 + 117782121636 = 532561^2 + 343194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401403340357 is a prime.

It is a super-2 number, since 2×401403340357² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401403349357) 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, 200701670178 + 200701670179.

It is an arithmetic number, because the mean of its divisors is an integer number (200701670179).

Almost surely, 2^401403340357 is an apocalyptic number.

It is an amenable number.

401403340357 is a deficient number, since it is larger than the sum of its proper divisors (1).

401403340357 is an equidigital number, since it uses as much as digits as its factorization.

401403340357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 34.

The spelling of 401403340357 in words is "four hundred one billion, four hundred three million, three hundred forty thousand, three hundred fifty-seven".