402240041 has 16 divisors (see below), whose sum is σ = 464830464. Its totient is φ = 340954704.

The previous prime is 402240037. The next prime is 402240049. The reversal of 402240041 is 140042204.

It is a cyclic number.

It is not a de Polignac number, because 402240041 - 2² = 402240037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402240049) 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 15 ways as a sum of consecutive naturals, for example, 259916 + ... + 261458.

It is an arithmetic number, because the mean of its divisors is an integer number (29051904).

Almost surely, 2^402240041 is an apocalyptic number.

It is an amenable number.

402240041 is a deficient number, since it is larger than the sum of its proper divisors (62590423).

402240041 is a wasteful number, since it uses less digits than its factorization.

402240041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 402240041 is about 20055.9228408967. The cubic root of 402240041 is about 738.1791371653.

Adding to 402240041 its reverse (140042204), we get a palindrome (542282245).

The spelling of 402240041 in words is "four hundred two million, two hundred forty thousand, forty-one".