240402433 has 2 divisors, whose sum is σ = 240402434. Its totient is φ = 240402432.

The previous prime is 240402401. The next prime is 240402469. The reversal of 240402433 is 334204042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164660224 + 75742209 = 12832^2 + 8703^2 .

It is a cyclic number.

It is not a de Polignac number, because 240402433 - 2⁵ = 240402401 is a prime.

It is not a weakly prime, because it can be changed into another prime (240402493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120201216 + 120201217.

It is an arithmetic number, because the mean of its divisors is an integer number (120201217).

It is a Proth number, since it is equal to 14673 ⋅ 2¹⁴ + 1 and 14673 < 2¹⁴.

Almost surely, 2^240402433 is an apocalyptic number.

It is an amenable number.

240402433 is a deficient number, since it is larger than the sum of its proper divisors (1).

240402433 is an equidigital number, since it uses as much as digits as its factorization.

240402433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 240402433 is about 15504.9164138347. The cubic root of 240402433 is about 621.7936552541.

Adding to 240402433 its reverse (334204042), we get a palindrome (574606475).

The spelling of 240402433 in words is "two hundred forty million, four hundred two thousand, four hundred thirty-three".