431041540 has 12 divisors (see below), whose sum is σ = 905187276. Its totient is φ = 172416608.

The previous prime is 431041537. The next prime is 431041549. The reversal of 431041540 is 45140134.

It can be written as a sum of positive squares in 2 ways, for example, as 75794436 + 355247104 = 8706^2 + 18848^2 .

It is not an unprimeable number, because it can be changed into a prime (431041549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10776019 + ... + 10776058.

It is an arithmetic number, because the mean of its divisors is an integer number (75432273).

Almost surely, 2^431041540 is an apocalyptic number.

It is an amenable number.

431041540 is an abundant number, since it is smaller than the sum of its proper divisors (474145736).

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

431041540 is a wasteful number, since it uses less digits than its factorization.

431041540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21552086 (or 21552084 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 431041540 is about 20761.5399236184. The cubic root of 431041540 is about 755.3931493334.

Adding to 431041540 its reverse (45140134), we get a palindrome (476181674).

It can be divided in two parts, 43104 and 1540, that added together give a palindrome (44644).

The spelling of 431041540 in words is "four hundred thirty-one million, forty-one thousand, five hundred forty".