520840098 has 32 divisors (see below), whose sum is σ = 1158294720. Its totient is φ = 173482560.

The previous prime is 520840093. The next prime is 520840139. The reversal of 520840098 is 890048025.

520840098 is a `hidden beast` number, since 520 + 8 + 40 + 0 + 98 = 666.

It is not an unprimeable number, because it can be changed into a prime (520840093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91578 + ... + 97098.

It is an arithmetic number, because the mean of its divisors is an integer number (36196710).

Almost surely, 2^520840098 is an apocalyptic number.

520840098 is an abundant number, since it is smaller than the sum of its proper divisors (637454622).

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

520840098 is a wasteful number, since it uses less digits than its factorization.

520840098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7279 (or 7273 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 520840098 is about 22821.9214353218. The cubic root of 520840098 is about 804.5779704703.

The spelling of 520840098 in words is "five hundred twenty million, eight hundred forty thousand, ninety-eight".