814642532 has 24 divisors (see below), whose sum is σ = 1559319552. Its totient is φ = 369317600.

The previous prime is 814642529. The next prime is 814642547. The reversal of 814642532 is 235246418.

It is a junction number, because it is equal to n+sod(n) for n = 814642492 and 814642501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7319 + ... + 41022.

It is an arithmetic number, because the mean of its divisors is an integer number (64971648).

Almost surely, 2^814642532 is an apocalyptic number.

It is an amenable number.

814642532 is a deficient number, since it is larger than the sum of its proper divisors (744677020).

814642532 is a wasteful number, since it uses less digits than its factorization.

814642532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48739 (or 48737 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 814642532 is about 28541.9433816270. The cubic root of 814642532 is about 933.9472769570.

It can be divided in two parts, 814 and 642532, that added together give a palindrome (643346).

The spelling of 814642532 in words is "eight hundred fourteen million, six hundred forty-two thousand, five hundred thirty-two".