402144213202 has 4 divisors (see below), whose sum is σ = 603216319806. Its totient is φ = 201072106600.

The previous prime is 402144213181. The next prime is 402144213257. The reversal of 402144213202 is 202312441204.

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

It can be written as a sum of positive squares in only one way, i.e., 263282898321 + 138861314881 = 513111^2 + 372641^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100536053299 + ... + 100536053302.

Almost surely, 2^402144213202 is an apocalyptic number.

402144213202 is a deficient number, since it is larger than the sum of its proper divisors (201072106604).

402144213202 is a wasteful number, since it uses less digits than its factorization.

402144213202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201072106603.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 402144213202 its reverse (202312441204), we get a palindrome (604456654406).

The spelling of 402144213202 in words is "four hundred two billion, one hundred forty-four million, two hundred thirteen thousand, two hundred two".