1648472330 has 32 divisors (see below), whose sum is σ = 3098577024. Its totient is φ = 630248256.

The previous prime is 1648472327. The next prime is 1648472339. The reversal of 1648472330 is 332748461.

It is a super-2 number, since 2×1648472330² = 5434922045551257800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1648472339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586709 + ... + 589511.

It is an arithmetic number, because the mean of its divisors is an integer number (96830532).

Almost surely, 2^1648472330 is an apocalyptic number.

1648472330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1648472330 is a deficient number, since it is larger than the sum of its proper divisors (1450104694).

1648472330 is a wasteful number, since it uses less digits than its factorization.

1648472330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 1648472330 is about 40601.3833508170. The cubic root of 1648472330 is about 1181.3009519375.

The spelling of 1648472330 in words is "one billion, six hundred forty-eight million, four hundred seventy-two thousand, three hundred thirty".