465981490 has 32 divisors (see below), whose sum is σ = 911309616. Its totient is φ = 170526720.

The previous prime is 465981487. The next prime is 465981493. The reversal of 465981490 is 94189564.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (465981487) and next prime (465981493).

It can be written as a sum of positive squares in 8 ways, for example, as 6265009 + 459716481 = 2503^2 + 21441^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 465981490.

It is not an unprimeable number, because it can be changed into a prime (465981493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1171 + ... + 30550.

Almost surely, 2^465981490 is an apocalyptic number.

465981490 is a deficient number, since it is larger than the sum of its proper divisors (445328126).

465981490 is a wasteful number, since it uses less digits than its factorization.

465981490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31854.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 465981490 is about 21586.6044110694. The cubic root of 465981490 is about 775.2757894637.

The spelling of 465981490 in words is "four hundred sixty-five million, nine hundred eighty-one thousand, four hundred ninety".