520377632 has 12 divisors (see below), whose sum is σ = 1024493526. Its totient is φ = 260188800.

The previous prime is 520377631. The next prime is 520377679. The reversal of 520377632 is 236773025.

It can be written as a sum of positive squares in only one way, i.e., 520022416 + 355216 = 22804^2 + 596^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 520377592 and 520377601.

It is not an unprimeable number, because it can be changed into a prime (520377631) 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 as a sum of consecutive naturals, namely, 8130869 + ... + 8130932.

Almost surely, 2^520377632 is an apocalyptic number.

It is an amenable number.

520377632 is a deficient number, since it is larger than the sum of its proper divisors (504115894).

520377632 is a wasteful number, since it uses less digits than its factorization.

520377632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16261811 (or 16261803 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 520377632 is about 22811.7871285877. The cubic root of 520377632 is about 804.3397654751.

The spelling of 520377632 in words is "five hundred twenty million, three hundred seventy-seven thousand, six hundred thirty-two".