536443661424 has 160 divisors (see below), whose sum is σ = 1539438969600. Its totient is φ = 159596236800.

The previous prime is 536443661399. The next prime is 536443661443. The reversal of 536443661424 is 424166344635.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17602552 + ... + 17633000.

It is an arithmetic number, because the mean of its divisors is an integer number (9621493560).

Almost surely, 2^536443661424 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 536443661424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769719484800).

536443661424 is an abundant number, since it is smaller than the sum of its proper divisors (1002995308176).

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

536443661424 is a wasteful number, since it uses less digits than its factorization.

536443661424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31079 (or 31073 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 48.

The spelling of 536443661424 in words is "five hundred thirty-six billion, four hundred forty-three million, six hundred sixty-one thousand, four hundred twenty-four".