400230554377 has 2 divisors, whose sum is σ = 400230554378. Its totient is φ = 400230554376.

The previous prime is 400230554359. The next prime is 400230554443. The reversal of 400230554377 is 773455032004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398844034681 + 1386519696 = 631541^2 + 37236^2 .

It is a cyclic number.

It is not a de Polignac number, because 400230554377 - 2¹⁹ = 400230030089 is a prime.

It is not a weakly prime, because it can be changed into another prime (400230551377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200115277188 + 200115277189.

It is an arithmetic number, because the mean of its divisors is an integer number (200115277189).

Almost surely, 2^400230554377 is an apocalyptic number.

It is an amenable number.

400230554377 is a deficient number, since it is larger than the sum of its proper divisors (1).

400230554377 is an equidigital number, since it uses as much as digits as its factorization.

400230554377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 40.

The spelling of 400230554377 in words is "four hundred billion, two hundred thirty million, five hundred fifty-four thousand, three hundred seventy-seven".