1648545792 has 208 divisors, whose sum is σ = 4843829760. Its totient is φ = 496336896.

The previous prime is 1648545779. The next prime is 1648545793. The reversal of 1648545792 is 2975458461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648545793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5369703 + ... + 5370009.

Almost surely, 2^1648545792 is an apocalyptic number.

1648545792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1648545792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2421914880).

1648545792 is an abundant number, since it is smaller than the sum of its proper divisors (3195283968).

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

1648545792 is a wasteful number, since it uses less digits than its factorization.

1648545792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 354 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The square root of 1648545792 is about 40602.2880143472. The cubic root of 1648545792 is about 1181.3184993843.

The spelling of 1648545792 in words is "one billion, six hundred forty-eight million, five hundred forty-five thousand, seven hundred ninety-two".