402401443611 has 8 divisors (see below), whose sum is σ = 537709297744. Its totient is φ = 267680609280.

The previous prime is 402401443603. The next prime is 402401443651. The reversal of 402401443611 is 116344104204.

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

It is not a de Polignac number, because 402401443611 - 2³ = 402401443603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402401443651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146753350 + ... + 146756091.

It is an arithmetic number, because the mean of its divisors is an integer number (67213662218).

Almost surely, 2^402401443611 is an apocalyptic number.

402401443611 is a deficient number, since it is larger than the sum of its proper divisors (135307854133).

402401443611 is a wasteful number, since it uses less digits than its factorization.

402401443611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293509901.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 402401443611 its reverse (116344104204), we get a palindrome (518745547815).

The spelling of 402401443611 in words is "four hundred two billion, four hundred one million, four hundred forty-three thousand, six hundred eleven".