1650478560 has 96 divisors (see below), whose sum is σ = 5205060000. Its totient is φ = 439615488.

The previous prime is 1650478553. The next prime is 1650478579. The reversal of 1650478560 is 658740561.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598144 + ... + 600896.

It is an arithmetic number, because the mean of its divisors is an integer number (54219375).

Almost surely, 2^1650478560 is an apocalyptic number.

1650478560 is a gapful number since it is divisible by the number (10) 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 1650478560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2602530000).

1650478560 is an abundant number, since it is smaller than the sum of its proper divisors (3554581440).

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

1650478560 is a wasteful number, since it uses less digits than its factorization.

1650478560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4020 (or 4012 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 1650478560 is about 40626.0822625072. The cubic root of 1650478560 is about 1181.7799814369.

The spelling of 1650478560 in words is "one billion, six hundred fifty million, four hundred seventy-eight thousand, five hundred sixty".