402140144402 has 8 divisors (see below), whose sum is σ = 634958122800. Its totient is φ = 190487436804.

The previous prime is 402140144401. The next prime is 402140144411. The reversal of 402140144402 is 204441041204.

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

It is a super-2 number, since 2×402140144402² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (402140144401) 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, 5291317652 + ... + 5291317727.

It is an arithmetic number, because the mean of its divisors is an integer number (79369765350).

Almost surely, 2^402140144402 is an apocalyptic number.

402140144402 is a deficient number, since it is larger than the sum of its proper divisors (232817978398).

402140144402 is a wasteful number, since it uses less digits than its factorization.

402140144402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10582635400.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 402140144402 its reverse (204441041204), we get a palindrome (606581185606).

The spelling of 402140144402 in words is "four hundred two billion, one hundred forty million, one hundred forty-four thousand, four hundred two".