532515440 has 80 divisors (see below), whose sum is σ = 1273692288. Its totient is φ = 206938368.

The previous prime is 532515439. The next prime is 532515457. The reversal of 532515440 is 44515235.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973247 + ... + 973793.

Almost surely, 2^532515440 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 532515440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636846144).

532515440 is an abundant number, since it is smaller than the sum of its proper divisors (741176848).

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

532515440 is a wasteful number, since it uses less digits than its factorization.

532515440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 532515440 is about 23076.2960632767. The cubic root of 532515440 is about 810.5455046130.

The spelling of 532515440 in words is "five hundred thirty-two million, five hundred fifteen thousand, four hundred forty".