490612401 has 24 divisors (see below), whose sum is σ = 776229480. Its totient is φ = 297217536.

The previous prime is 490612399. The next prime is 490612403. The reversal of 490612401 is 104216094.

490612401 is a `hidden beast` number, since 4 + 9 + 0 + 612 + 40 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (490612399) and next prime (490612403).

It can be written as a sum of positive squares in 4 ways, for example, as 200250801 + 290361600 = 14151^2 + 17040^2 .

It is not a de Polignac number, because 490612401 - 2¹ = 490612399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490612403) 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, 50850 + ... + 59723.

It is an arithmetic number, because the mean of its divisors is an integer number (32342895).

Almost surely, 2^490612401 is an apocalyptic number.

It is an amenable number.

490612401 is a deficient number, since it is larger than the sum of its proper divisors (285617079).

490612401 is a wasteful number, since it uses less digits than its factorization.

490612401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110625 (or 110622 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 490612401 is about 22149.7720304296. The cubic root of 490612401 is about 788.7018154499.

Adding to 490612401 its reverse (104216094), we get a palindrome (594828495).

The spelling of 490612401 in words is "four hundred ninety million, six hundred twelve thousand, four hundred one".