535099680 has 144 divisors (see below), whose sum is σ = 1885089024. Its totient is φ = 138078720.

The previous prime is 535099637. The next prime is 535099681. The reversal of 535099680 is 86990535.

535099680 is a `hidden beast` number, since 53 + 509 + 96 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×535099680² = 572663335072204800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (535099681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38647 + ... + 50633.

It is an arithmetic number, because the mean of its divisors is an integer number (13090896).

Almost surely, 2^535099680 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 535099680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942544512).

535099680 is an abundant number, since it is smaller than the sum of its proper divisors (1349989344).

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

535099680 is a wasteful number, since it uses less digits than its factorization.

535099680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12039 (or 12028 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 535099680 is about 23132.2216831847. The cubic root of 535099680 is about 811.8545526410.

The spelling of 535099680 in words is "five hundred thirty-five million, ninety-nine thousand, six hundred eighty".