1350666528 has 96 divisors (see below), whose sum is σ = 3852656640. Its totient is φ = 412750080.

The previous prime is 1350666523. The next prime is 1350666529. The reversal of 1350666528 is 8256660531.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1350666528.

It is not an unprimeable number, because it can be changed into a prime (1350666523) 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, 44601 + ... + 68487.

It is an arithmetic number, because the mean of its divisors is an integer number (40131840).

Almost surely, 2^1350666528 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 1350666528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1926328320).

1350666528 is an abundant number, since it is smaller than the sum of its proper divisors (2501990112).

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

1350666528 is a wasteful number, since it uses less digits than its factorization.

1350666528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23950 (or 23942 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 1350666528 is about 36751.4153196853. The cubic root of 1350666528 is about 1105.3913093064.

The spelling of 1350666528 in words is "one billion, three hundred fifty million, six hundred sixty-six thousand, five hundred twenty-eight".