1648440006 has 16 divisors (see below), whose sum is σ = 3297491184. Its totient is φ = 549378144.

The previous prime is 1648439983. The next prime is 1648440041. The reversal of 1648440006 is 6000448461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14400 + ... + 59196.

It is an arithmetic number, because the mean of its divisors is an integer number (206093199).

Almost surely, 2^1648440006 is an apocalyptic number.

1648440006 is an abundant number, since it is smaller than the sum of its proper divisors (1649051178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1648440006 is a wasteful number, since it uses less digits than its factorization.

1648440006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50935.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 1648440006 is about 40600.9852836110. The cubic root of 1648440006 is about 1181.2932307238.

Adding to 1648440006 its reverse (6000448461), we get a palindrome (7648888467).

The spelling of 1648440006 in words is "one billion, six hundred forty-eight million, four hundred forty thousand, six".