7840230401 has 2 divisors, whose sum is σ = 7840230402. Its totient is φ = 7840230400.

The previous prime is 7840230347. The next prime is 7840230407. The reversal of 7840230401 is 1040320487.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5226567025 + 2613663376 = 72295^2 + 51124^2 .

It is a cyclic number.

It is not a de Polignac number, because 7840230401 - 2⁶ = 7840230337 is a prime.

It is a super-2 number, since 2×7840230401² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7840230407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3920115200 + 3920115201.

It is an arithmetic number, because the mean of its divisors is an integer number (3920115201).

Almost surely, 2^7840230401 is an apocalyptic number.

It is an amenable number.

7840230401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7840230401 is an equidigital number, since it uses as much as digits as its factorization.

7840230401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 7840230401 is about 88545.0755321830. The cubic root of 7840230401 is about 1986.5962369963.

Adding to 7840230401 its reverse (1040320487), we get a palindrome (8880550888).

The spelling of 7840230401 in words is "seven billion, eight hundred forty million, two hundred thirty thousand, four hundred one".