402434041 has 4 divisors (see below), whose sum is σ = 423614800. Its totient is φ = 381253284.

The previous prime is 402434029. The next prime is 402434077. The reversal of 402434041 is 140434204.

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 402434041 - 2¹¹ = 402431993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402438041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10590351 + ... + 10590388.

It is an arithmetic number, because the mean of its divisors is an integer number (105903700).

Almost surely, 2^402434041 is an apocalyptic number.

It is an amenable number.

402434041 is a deficient number, since it is larger than the sum of its proper divisors (21180759).

402434041 is a wasteful number, since it uses less digits than its factorization.

402434041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21180758.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 402434041 is about 20060.7587344048. The cubic root of 402434041 is about 738.2977924634.

Adding to 402434041 its reverse (140434204), we get a palindrome (542868245).

The spelling of 402434041 in words is "four hundred two million, four hundred thirty-four thousand, forty-one".