1478436580 has 12 divisors (see below), whose sum is σ = 3104716860. Its totient is φ = 591374624.

The previous prime is 1478436571. The next prime is 1478436581. The reversal of 1478436580 is 856348741.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 394578496 + 1083858084 = 19864^2 + 32922^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1478436580.

It is not an unprimeable number, because it can be changed into a prime (1478436581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36960895 + ... + 36960934.

It is an arithmetic number, because the mean of its divisors is an integer number (258726405).

Almost surely, 2^1478436580 is an apocalyptic number.

1478436580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1478436580 is an abundant number, since it is smaller than the sum of its proper divisors (1626280280).

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

1478436580 is a wasteful number, since it uses less digits than its factorization.

1478436580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73921838 (or 73921836 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 1478436580 is about 38450.4431703979. The cubic root of 1478436580 is about 1139.2024225257.

The spelling of 1478436580 in words is "one billion, four hundred seventy-eight million, four hundred thirty-six thousand, five hundred eighty".