630458455 has 16 divisors (see below), whose sum is σ = 835277184. Its totient is φ = 452987680.

The previous prime is 630458449. The next prime is 630458489. The reversal of 630458455 is 554854036.

It is not a de Polignac number, because 630458455 - 2¹⁵ = 630425687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64489 + ... + 73618.

It is an arithmetic number, because the mean of its divisors is an integer number (52204824).

Almost surely, 2^630458455 is an apocalyptic number.

630458455 is a deficient number, since it is larger than the sum of its proper divisors (204818729).

630458455 is a wasteful number, since it uses less digits than its factorization.

630458455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138206.

The product of its (nonzero) digits is 288000, while the sum is 40.

The square root of 630458455 is about 25108.9317773576. The cubic root of 630458455 is about 857.4697827838.

The spelling of 630458455 in words is "six hundred thirty million, four hundred fifty-eight thousand, four hundred fifty-five".