532778449664 has 36 divisors (see below), whose sum is σ = 1063579456800. Its totient is φ = 266363243520.

The previous prime is 532778449663. The next prime is 532778449667. The reversal of 532778449664 is 466944877235.

It is a super-3 number, since 3×532778449664³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 532778449664.

It is not an unprimeable number, because it can be changed into a prime (532778449661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2676662 + ... + 2868810.

It is an arithmetic number, because the mean of its divisors is an integer number (29543873800).

Almost surely, 2^532778449664 is an apocalyptic number.

It is an amenable number.

532778449664 is a deficient number, since it is larger than the sum of its proper divisors (530801007136).

532778449664 is a wasteful number, since it uses less digits than its factorization.

532778449664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202996 (or 202982 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 65.

The spelling of 532778449664 in words is "five hundred thirty-two billion, seven hundred seventy-eight million, four hundred forty-nine thousand, six hundred sixty-four".