1481583240 has 48 divisors (see below), whose sum is σ = 4815146700. Its totient is φ = 395088768.

The previous prime is 1481583149. The next prime is 1481583289. The reversal of 1481583240 is 423851841.

It can be written as a sum of positive squares in 2 ways, for example, as 1382501124 + 99082116 = 37182^2 + 9954^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1481583195 and 1481583204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2057395 + ... + 2058114.

Almost surely, 2^1481583240 is an apocalyptic number.

1481583240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1481583240 is an abundant number, since it is smaller than the sum of its proper divisors (3333563460).

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

1481583240 is a wasteful number, since it uses less digits than its factorization.

1481583240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115526 (or 4115519 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1481583240 is about 38491.3398052081. The cubic root of 1481583240 is about 1140.0100645464.

The spelling of 1481583240 in words is "one billion, four hundred eighty-one million, five hundred eighty-three thousand, two hundred forty".