535440223500 has 576 divisors, whose sum is σ = 1958943168000. Its totient is φ = 112645209600.

The previous prime is 535440223489. The next prime is 535440223511. The reversal of 535440223500 is 5322044535.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (535440223489) and next prime (535440223511).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 476793939 + ... + 476795061.

It is an arithmetic number, because the mean of its divisors is an integer number (3400943000).

Almost surely, 2^535440223500 is an apocalyptic number.

535440223500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 535440223500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979471584000).

535440223500 is an abundant number, since it is smaller than the sum of its proper divisors (1423502944500).

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

535440223500 is a wasteful number, since it uses less digits than its factorization.

535440223500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 33.

The spelling of 535440223500 in words is "five hundred thirty-five billion, four hundred forty million, two hundred twenty-three thousand, five hundred".