533240280 has 128 divisors (see below), whose sum is σ = 1854835200. Its totient is φ = 136008576.

The previous prime is 533240251. The next prime is 533240293. The reversal of 533240280 is 82042335.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14107 + ... + 35573.

It is an arithmetic number, because the mean of its divisors is an integer number (14490900).

Almost surely, 2^533240280 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 533240280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (927417600).

533240280 is an abundant number, since it is smaller than the sum of its proper divisors (1321594920).

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

533240280 is a wasteful number, since it uses less digits than its factorization.

533240280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21510 (or 21500 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 533240280 is about 23091.9960159359. The cubic root of 533240280 is about 810.9130992357.

The spelling of 533240280 in words is "five hundred thirty-three million, two hundred forty thousand, two hundred eighty".