540031532 has 48 divisors (see below), whose sum is σ = 997097472. Its totient is φ = 255603840.

The previous prime is 540031529. The next prime is 540031561. The reversal of 540031532 is 235130045.

It is a junction number, because it is equal to n+sod(n) for n = 540031498 and 540031507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1409813 + ... + 1410195.

It is an arithmetic number, because the mean of its divisors is an integer number (20772864).

Almost surely, 2^540031532 is an apocalyptic number.

It is an amenable number.

540031532 is a deficient number, since it is larger than the sum of its proper divisors (457065940).

540031532 is a wasteful number, since it uses less digits than its factorization.

540031532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 540031532 is about 23238.5785279565. The cubic root of 540031532 is about 814.3411348582.

Adding to 540031532 its reverse (235130045), we get a palindrome (775161577).

The spelling of 540031532 in words is "five hundred forty million, thirty-one thousand, five hundred thirty-two".