400555033 has 2 divisors, whose sum is σ = 400555034. Its totient is φ = 400555032.

The previous prime is 400555027. The next prime is 400555039. The reversal of 400555033 is 330555004.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (400555027) and next prime (400555039).

It can be written as a sum of positive squares in only one way, i.e., 390141504 + 10413529 = 19752^2 + 3227^2 .

It is a cyclic number.

It is not a de Polignac number, because 400555033 - 2¹³ = 400546841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400554989 and 400555007.

It is not a weakly prime, because it can be changed into another prime (400555039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200277516 + 200277517.

It is an arithmetic number, because the mean of its divisors is an integer number (200277517).

Almost surely, 2^400555033 is an apocalyptic number.

It is an amenable number.

400555033 is a deficient number, since it is larger than the sum of its proper divisors (1).

400555033 is an equidigital number, since it uses as much as digits as its factorization.

400555033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 400555033 is about 20013.8710148737. The cubic root of 400555033 is about 737.1469353991.

The spelling of 400555033 in words is "four hundred million, five hundred fifty-five thousand, thirty-three".