1478385850 has 12 divisors (see below), whose sum is σ = 2749797774. Its totient is φ = 591354320.

The previous prime is 1478385793. The next prime is 1478385863. The reversal of 1478385850 is 585838741.

It can be written as a sum of positive squares in 3 ways, for example, as 1155932001 + 322453849 = 33999^2 + 17957^2 .

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1478385794 and 1478385803.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14783809 + ... + 14783908.

Almost surely, 2^1478385850 is an apocalyptic number.

1478385850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1478385850 is a deficient number, since it is larger than the sum of its proper divisors (1271411924).

1478385850 is a wasteful number, since it uses less digits than its factorization.

1478385850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29567729 (or 29567724 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 49.

The square root of 1478385850 is about 38449.7834844359. The cubic root of 1478385850 is about 1139.1893924549.

The spelling of 1478385850 in words is "one billion, four hundred seventy-eight million, three hundred eighty-five thousand, eight hundred fifty".