455940479 has 2 divisors, whose sum is σ = 455940480. Its totient is φ = 455940478.

The previous prime is 455940421. The next prime is 455940547. The reversal of 455940479 is 974049554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455940479 - 2¹⁶ = 455874943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455940179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227970239 + 227970240.

It is an arithmetic number, because the mean of its divisors is an integer number (227970240).

Almost surely, 2^455940479 is an apocalyptic number.

455940479 is a deficient number, since it is larger than the sum of its proper divisors (1).

455940479 is an equidigital number, since it uses as much as digits as its factorization.

455940479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 455940479 is about 21352.7627954792. The cubic root of 455940479 is about 769.6667355239. Note that the first 3 decimals are identical.

The spelling of 455940479 in words is "four hundred fifty-five million, nine hundred forty thousand, four hundred seventy-nine".