402142442411 has 4 divisors (see below), whose sum is σ = 403176228000. Its totient is φ = 401108656824.

The previous prime is 402142442407. The next prime is 402142442423. The reversal of 402142442411 is 114244241204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402142442411 - 2² = 402142442407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402142442461) 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, 516892211 + ... + 516892988.

It is an arithmetic number, because the mean of its divisors is an integer number (100794057000).

Almost surely, 2^402142442411 is an apocalyptic number.

402142442411 is a deficient number, since it is larger than the sum of its proper divisors (1033785589).

402142442411 is a wasteful number, since it uses less digits than its factorization.

402142442411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033785588.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 402142442411 its reverse (114244241204), we get a palindrome (516386683615).

The spelling of 402142442411 in words is "four hundred two billion, one hundred forty-two million, four hundred forty-two thousand, four hundred eleven".