402410401 has 4 divisors (see below), whose sum is σ = 402564400. Its totient is φ = 402256404.

The previous prime is 402410387. The next prime is 402410419. The reversal of 402410401 is 104014204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402410401 - 2⁷ = 402410273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402410441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73011 + ... + 78328.

It is an arithmetic number, because the mean of its divisors is an integer number (100641100).

Almost surely, 2^402410401 is an apocalyptic number.

It is an amenable number.

402410401 is a deficient number, since it is larger than the sum of its proper divisors (153999).

402410401 is a wasteful number, since it uses less digits than its factorization.

402410401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153998.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 402410401 is about 20060.1695157344. The cubic root of 402410401 is about 738.2833356831.

Adding to 402410401 its reverse (104014204), we get a palindrome (506424605).

The spelling of 402410401 in words is "four hundred two million, four hundred ten thousand, four hundred one".