1482778420 has 24 divisors (see below), whose sum is σ = 3297002184. Its totient is φ = 558222336.

The previous prime is 1482778399. The next prime is 1482778433. The reversal of 1482778420 is 248772841.

It can be written as a sum of positive squares in 4 ways, for example, as 828748944 + 654029476 = 28788^2 + 25574^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2180217 + ... + 2180896.

It is an arithmetic number, because the mean of its divisors is an integer number (137375091).

Almost surely, 2^1482778420 is an apocalyptic number.

1482778420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1482778420 is an abundant number, since it is smaller than the sum of its proper divisors (1814223764).

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

1482778420 is a wasteful number, since it uses less digits than its factorization.

1482778420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361139 (or 4361137 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 43.

The square root of 1482778420 is about 38506.8619858851. The cubic root of 1482778420 is about 1140.3165274750.

The spelling of 1482778420 in words is "one billion, four hundred eighty-two million, seven hundred seventy-eight thousand, four hundred twenty".