402410144 has 12 divisors (see below), whose sum is σ = 792245034. Its totient is φ = 201205056.

The previous prime is 402410131. The next prime is 402410147. The reversal of 402410144 is 441014204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 399520144 + 2890000 = 19988^2 + 1700^2 .

It is not an unprimeable number, because it can be changed into a prime (402410147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6287627 + ... + 6287690.

Almost surely, 2^402410144 is an apocalyptic number.

It is an amenable number.

402410144 is a deficient number, since it is larger than the sum of its proper divisors (389834890).

402410144 is a wasteful number, since it uses less digits than its factorization.

402410144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12575327 (or 12575319 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 402410144 is about 20060.1631100049. The cubic root of 402410144 is about 738.2831785145.

Adding to 402410144 its reverse (441014204), we get a palindrome (843424348).

The spelling of 402410144 in words is "four hundred two million, four hundred ten thousand, one hundred forty-four".