533553240 has 128 divisors (see below), whose sum is σ = 1751673600. Its totient is φ = 128939520.

The previous prime is 533553233. The next prime is 533553301. The reversal of 533553240 is 42355335.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 533553198 and 533553207.

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, 816754 + ... + 817406.

It is an arithmetic number, because the mean of its divisors is an integer number (13684950).

Almost surely, 2^533553240 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 533553240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875836800).

533553240 is an abundant number, since it is smaller than the sum of its proper divisors (1218120360).

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

533553240 is a wasteful number, since it uses less digits than its factorization.

533553240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 30.

The square root of 533553240 is about 23098.7713958990. The cubic root of 533553240 is about 811.0717104913.

The spelling of 533553240 in words is "five hundred thirty-three million, five hundred fifty-three thousand, two hundred forty".