1630448254 has 16 divisors (see below), whose sum is σ = 2575198800. Its totient is φ = 772075584.

The previous prime is 1630448251. The next prime is 1630448263. The reversal of 1630448254 is 4528440361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630448251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193824 + ... + 202060.

It is an arithmetic number, because the mean of its divisors is an integer number (160949925).

Almost surely, 2^1630448254 is an apocalyptic number.

1630448254 is a deficient number, since it is larger than the sum of its proper divisors (944750546).

1630448254 is a wasteful number, since it uses less digits than its factorization.

1630448254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13467.

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 1630448254 is about 40378.8094673431. The cubic root of 1630448254 is about 1176.9797929007.

The spelling of 1630448254 in words is "one billion, six hundred thirty million, four hundred forty-eight thousand, two hundred fifty-four".