1648839480 has 32 divisors (see below), whose sum is σ = 4946518800. Its totient is φ = 439690496.

The previous prime is 1648839463. The next prime is 1648839499. The reversal of 1648839480 is 849388461.

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, 6870045 + ... + 6870284.

Almost surely, 2^1648839480 is an apocalyptic number.

1648839480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1648839480 is an abundant number, since it is smaller than the sum of its proper divisors (3297679320).

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

1648839480 is a wasteful number, since it uses less digits than its factorization.

1648839480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13740343 (or 13740339 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 1648839480 is about 40605.9044967601. The cubic root of 1648839480 is about 1181.3886457458.

The spelling of 1648839480 in words is "one billion, six hundred forty-eight million, eight hundred thirty-nine thousand, four hundred eighty".