533868440 has 32 divisors (see below), whose sum is σ = 1372805280. Its totient is φ = 183040512.

The previous prime is 533868437. The next prime is 533868457. The reversal of 533868440 is 44868335.

It is a happy number.

It is a super-2 number, since 2×533868440² = 570031022456067200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953057 + ... + 953616.

It is an arithmetic number, because the mean of its divisors is an integer number (42900165).

Almost surely, 2^533868440 is an apocalyptic number.

It is an amenable number.

533868440 is an abundant number, since it is smaller than the sum of its proper divisors (838936840).

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

533868440 is a wasteful number, since it uses less digits than its factorization.

533868440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906691 (or 1906687 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 533868440 is about 23105.5932622385. The cubic root of 533868440 is about 811.2313943231.

The spelling of 533868440 in words is "five hundred thirty-three million, eight hundred sixty-eight thousand, four hundred forty".