464421530 has 16 divisors (see below), whose sum is σ = 837417960. Its totient is φ = 185444352.

The previous prime is 464421499. The next prime is 464421553. The reversal of 464421530 is 35124464.

It can be written as a sum of positive squares in 4 ways, for example, as 444324241 + 20097289 = 21079^2 + 4483^2 .

It is a junction number, because it is equal to n+sod(n) for n = 464421493 and 464421502.

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, 34475 + ... + 46014.

Almost surely, 2^464421530 is an apocalyptic number.

464421530 is a deficient number, since it is larger than the sum of its proper divisors (372996430).

464421530 is a wasteful number, since it uses less digits than its factorization.

464421530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81073.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 464421530 is about 21550.4415267994. The cubic root of 464421530 is about 774.4096954769.

Adding to 464421530 its reverse (35124464), we get a palindrome (499545994).

The spelling of 464421530 in words is "four hundred sixty-four million, four hundred twenty-one thousand, five hundred thirty".