648454270 has 16 divisors (see below), whose sum is σ = 1167701040. Its totient is φ = 259274304.

The previous prime is 648454259. The next prime is 648454277. The reversal of 648454270 is 72454846.

It is a happy number.

648454270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648454277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14746 + ... + 38914.

It is an arithmetic number, because the mean of its divisors is an integer number (72981315).

Almost surely, 2^648454270 is an apocalyptic number.

648454270 is a deficient number, since it is larger than the sum of its proper divisors (519246770).

648454270 is a wasteful number, since it uses less digits than its factorization.

648454270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26859.

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 648454270 is about 25464.7652649696. The cubic root of 648454270 is about 865.5519081329.

The spelling of 648454270 in words is "six hundred forty-eight million, four hundred fifty-four thousand, two hundred seventy".