402441420034 has 8 divisors (see below), whose sum is σ = 624478065660. Its totient is φ = 194282064816.

The previous prime is 402441420001. The next prime is 402441420037. The reversal of 402441420034 is 430024144204.

It can be written as a sum of positive squares in 2 ways, for example, as 390593750625 + 11847669409 = 624975^2 + 108847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×402441420034² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402441419984 and 402441420011.

It is not an unprimeable number, because it can be changed into a prime (402441420037) 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, 3469322529 + ... + 3469322644.

Almost surely, 2^402441420034 is an apocalyptic number.

402441420034 is a deficient number, since it is larger than the sum of its proper divisors (222036645626).

402441420034 is a wasteful number, since it uses less digits than its factorization.

402441420034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6938645204.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 402441420034 its reverse (430024144204), we get a palindrome (832465564238).

The spelling of 402441420034 in words is "four hundred two billion, four hundred forty-one million, four hundred twenty thousand, thirty-four".