1648927044 has 72 divisors (see below), whose sum is σ = 4395911520. Its totient is φ = 540307584.

The previous prime is 1648927013. The next prime is 1648927073. The reversal of 1648927044 is 4407298461.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42972 + ... + 71724.

Almost surely, 2^1648927044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1648927044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2197955760).

1648927044 is an abundant number, since it is smaller than the sum of its proper divisors (2746984476).

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

1648927044 is a wasteful number, since it uses less digits than its factorization.

1648927044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28831 (or 28817 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 1648927044 is about 40606.9827000234. The cubic root of 1648927044 is about 1181.4095584919.

The spelling of 1648927044 in words is "one billion, six hundred forty-eight million, nine hundred twenty-seven thousand, forty-four".