431148450 has 48 divisors (see below), whose sum is σ = 1071538560. Its totient is φ = 114726720.

The previous prime is 431148391. The next prime is 431148451. The reversal of 431148450 is 54841134.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (431148451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73527 + ... + 79173.

It is an arithmetic number, because the mean of its divisors is an integer number (22323720).

Almost surely, 2^431148450 is an apocalyptic number.

431148450 is an abundant number, since it is smaller than the sum of its proper divisors (640390110).

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

431148450 is a wasteful number, since it uses less digits than its factorization.

431148450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6171 (or 6166 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 431148450 is about 20764.1144766638. The cubic root of 431148450 is about 755.4555968380.

Adding to 431148450 its reverse (54841134), we get a palindrome (485989584).

The spelling of 431148450 in words is "four hundred thirty-one million, one hundred forty-eight thousand, four hundred fifty".