535265280 has 384 divisors, whose sum is σ = 2091877200. Its totient is φ = 129761280.

The previous prime is 535265279. The next prime is 535265309. The reversal of 535265280 is 82562535.

It is a happy number.

535265280 is a `hidden beast` number, since 5 + 3 + 526 + 52 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48660475 + ... + 48660485.

Almost surely, 2^535265280 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 535265280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045938600).

535265280 is an abundant number, since it is smaller than the sum of its proper divisors (1556611920).

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

535265280 is an equidigital number, since it uses as much as digits as its factorization.

535265280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 535265280 is about 23135.8008290182. The cubic root of 535265280 is about 811.9382935790.

The spelling of 535265280 in words is "five hundred thirty-five million, two hundred sixty-five thousand, two hundred eighty".