244404242402 has 4 divisors (see below), whose sum is σ = 366606363606. Its totient is φ = 122202121200.

The previous prime is 244404242399. The next prime is 244404242443. The reversal of 244404242402 is 204242404442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204242404442 = 2 ⋅102121202221.

It can be written as a sum of positive squares in only one way, i.e., 243353769481 + 1050472921 = 493309^2 + 32411^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61101060599 + ... + 61101060602.

Almost surely, 2^244404242402 is an apocalyptic number.

244404242402 is a deficient number, since it is larger than the sum of its proper divisors (122202121204).

244404242402 is a wasteful number, since it uses less digits than its factorization.

244404242402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122202121203.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 244404242402 its reverse (204242404442), we get a palindrome (448646646844).

The spelling of 244404242402 in words is "two hundred forty-four billion, four hundred four million, two hundred forty-two thousand, four hundred two".