520381446 has 32 divisors (see below), whose sum is σ = 1131314688. Its totient is φ = 158618400.

The previous prime is 520381439. The next prime is 520381447. The reversal of 520381446 is 644183025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520381447) 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 15 ways as a sum of consecutive naturals, for example, 22830 + ... + 39521.

It is an arithmetic number, because the mean of its divisors is an integer number (35353584).

Almost surely, 2^520381446 is an apocalyptic number.

520381446 is an abundant number, since it is smaller than the sum of its proper divisors (610933242).

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

520381446 is a wasteful number, since it uses less digits than its factorization.

520381446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62476.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 520381446 is about 22811.8707255674. The cubic root of 520381446 is about 804.3417305509.

The spelling of 520381446 in words is "five hundred twenty million, three hundred eighty-one thousand, four hundred forty-six".