1388520482 has 16 divisors (see below), whose sum is σ = 2146792032. Its totient is φ = 673159200.

The previous prime is 1388520481. The next prime is 1388520487. The reversal of 1388520482 is 2840258831.

It is not an unprimeable number, because it can be changed into a prime (1388520481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47144 + ... + 70707.

It is an arithmetic number, because the mean of its divisors is an integer number (134174502).

Almost surely, 2^1388520482 is an apocalyptic number.

1388520482 is a deficient number, since it is larger than the sum of its proper divisors (758271550).

1388520482 is a wasteful number, since it uses less digits than its factorization.

1388520482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118033.

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 1388520482 is about 37262.8566001052. The cubic root of 1388520482 is about 1115.6229252625.

The spelling of 1388520482 in words is "one billion, three hundred eighty-eight million, five hundred twenty thousand, four hundred eighty-two".