240046451 has 2 divisors, whose sum is σ = 240046452. Its totient is φ = 240046450.

The previous prime is 240046379. The next prime is 240046453. The reversal of 240046451 is 154640042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240046451 - 2²² = 235852147 is a prime.

Together with 240046453, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240046451.

It is not a weakly prime, because it can be changed into another prime (240046453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120023225 + 120023226.

It is an arithmetic number, because the mean of its divisors is an integer number (120023226).

Almost surely, 2^240046451 is an apocalyptic number.

240046451 is a deficient number, since it is larger than the sum of its proper divisors (1).

240046451 is an equidigital number, since it uses as much as digits as its factorization.

240046451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 240046451 is about 15493.4325118742. The cubic root of 240046451 is about 621.4865913981.

Adding to 240046451 its reverse (154640042), we get a palindrome (394686493).

The spelling of 240046451 in words is "two hundred forty million, forty-six thousand, four hundred fifty-one".