1648538760 has 64 divisors (see below), whose sum is σ = 5395222080. Its totient is φ = 399645440.

The previous prime is 1648538753. The next prime is 1648538789. The reversal of 1648538760 is 678358461.

It is an unprimeable number.

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, 623127 + ... + 625766.

It is an arithmetic number, because the mean of its divisors is an integer number (84300345).

Almost surely, 2^1648538760 is an apocalyptic number.

1648538760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1648538760 is an abundant number, since it is smaller than the sum of its proper divisors (3746683320).

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

1648538760 is a wasteful number, since it uses less digits than its factorization.

1648538760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248918 (or 1248914 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 1648538760 is about 40602.2014181497. The cubic root of 1648538760 is about 1181.3168197133.

The spelling of 1648538760 in words is "one billion, six hundred forty-eight million, five hundred thirty-eight thousand, seven hundred sixty".