1870478448 has 40 divisors (see below), whose sum is σ = 5116310928. Its totient is φ = 586816512.

The previous prime is 1870478447. The next prime is 1870478459. The reversal of 1870478448 is 8448740781.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 1870478448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1870478443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145311 + ... + 1146942.

Almost surely, 2^1870478448 is an apocalyptic number.

It is an amenable number.

1870478448 is an abundant number, since it is smaller than the sum of its proper divisors (3245832480).

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

1870478448 is a wasteful number, since it uses less digits than its factorization.

1870478448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292281 (or 2292275 counting only the distinct ones).

The product of its (nonzero) digits is 1605632, while the sum is 51.

The square root of 1870478448 is about 43249.0282896622. The cubic root of 1870478448 is about 1232.1140298963.

The spelling of 1870478448 in words is "one billion, eight hundred seventy million, four hundred seventy-eight thousand, four hundred forty-eight".