535944864 has 192 divisors, whose sum is σ = 1788272640. Its totient is φ = 136719360.

The previous prime is 535944847. The next prime is 535944869. The reversal of 535944864 is 468449535.

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

It is not an unprimeable number, because it can be changed into a prime (535944869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269827 + ... + 271805.

It is an arithmetic number, because the mean of its divisors is an integer number (9313920).

Almost surely, 2^535944864 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 535944864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894136320).

535944864 is an abundant number, since it is smaller than the sum of its proper divisors (1252327776).

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

535944864 is a wasteful number, since it uses less digits than its factorization.

535944864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043 (or 2035 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The square root of 535944864 is about 23150.4830187191. The cubic root of 535944864 is about 812.2817662092.

The spelling of 535944864 in words is "five hundred thirty-five million, nine hundred forty-four thousand, eight hundred sixty-four".