40230451 has 2 divisors, whose sum is σ = 40230452. Its totient is φ = 40230450.

The previous prime is 40230419. The next prime is 40230469. The reversal of 40230451 is 15403204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40230451 - 2⁵ = 40230419 is a prime.

It is not a weakly prime, because it can be changed into another prime (40236451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20115225 + 20115226.

It is an arithmetic number, because the mean of its divisors is an integer number (20115226).

Almost surely, 2^40230451 is an apocalyptic number.

40230451 is a deficient number, since it is larger than the sum of its proper divisors (1).

40230451 is an equidigital number, since it uses as much as digits as its factorization.

40230451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40230451 is about 6342.7479060735. The cubic root of 40230451 is about 342.6507081791.

Adding to 40230451 its reverse (15403204), we get a palindrome (55633655).

The spelling of 40230451 in words is "forty million, two hundred thirty thousand, four hundred fifty-one".