1948270128 has 80 divisors (see below), whose sum is σ = 5756822016. Its totient is φ = 556185600.

The previous prime is 1948270117. The next prime is 1948270133. The reversal of 1948270128 is 8210728491.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1948270128.

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, 762453 + ... + 765003.

Almost surely, 2^1948270128 is an apocalyptic number.

It is an amenable number.

1948270128 is an abundant number, since it is smaller than the sum of its proper divisors (3808551888).

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

1948270128 is a wasteful number, since it uses less digits than its factorization.

1948270128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842 (or 4836 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 1948270128 is about 44139.2130423731. The cubic root of 1948270128 is about 1248.9634346367.

The spelling of 1948270128 in words is "one billion, nine hundred forty-eight million, two hundred seventy thousand, one hundred twenty-eight".