402441141 has 4 divisors (see below), whose sum is σ = 536588192. Its totient is φ = 268294092.

The previous prime is 402441139. The next prime is 402441161. The reversal of 402441141 is 141144204.

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 not a de Polignac number, because 402441141 - 2¹ = 402441139 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402441121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67073521 + ... + 67073526.

It is an arithmetic number, because the mean of its divisors is an integer number (134147048).

Almost surely, 2^402441141 is an apocalyptic number.

It is an amenable number.

402441141 is a deficient number, since it is larger than the sum of its proper divisors (134147051).

402441141 is a wasteful number, since it uses less digits than its factorization.

402441141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134147050.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 402441141 is about 20060.9356960238. The cubic root of 402441141 is about 738.3021342792.

Adding to 402441141 its reverse (141144204), we get a palindrome (543585345).

The spelling of 402441141 in words is "four hundred two million, four hundred forty-one thousand, one hundred forty-one".