535421044540 has 24 divisors (see below), whose sum is σ = 1124412095520. Its totient is φ = 214163103168.

The previous prime is 535421044511. The next prime is 535421044549. The reversal of 535421044540 is 45440124535.

It is a self number, because there is not a number n which added to its sum of digits gives 535421044540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535421044549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551241 + ... + 1172479.

It is an arithmetic number, because the mean of its divisors is an integer number (46850503980).

Almost surely, 2^535421044540 is an apocalyptic number.

It is an amenable number.

535421044540 is an abundant number, since it is smaller than the sum of its proper divisors (588991050980).

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

535421044540 is a wasteful number, since it uses less digits than its factorization.

535421044540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664341 (or 664339 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 535421044540 in words is "five hundred thirty-five billion, four hundred twenty-one million, forty-four thousand, five hundred forty".