520692480 has 432 divisors, whose sum is σ = 2249904384. Its totient is φ = 108011520.

The previous prime is 520692467. The next prime is 520692481. The reversal of 520692480 is 84296025.

It is a happy number.

520692480 is a `hidden beast` number, since 520 + 6 + 92 + 48 + 0 = 666.

It is a super-2 number, since 2×520692480² = 542241317457100800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (520692481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 886747 + ... + 887333.

It is an arithmetic number, because the mean of its divisors is an integer number (5208112).

Almost surely, 2^520692480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520692480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124952192).

520692480 is an abundant number, since it is smaller than the sum of its proper divisors (1729211904).

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

520692480 is a wasteful number, since it uses less digits than its factorization.

520692480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 520692480 is about 22818.6870787957. The cubic root of 520692480 is about 804.5019513531.

The spelling of 520692480 in words is "five hundred twenty million, six hundred ninety-two thousand, four hundred eighty".