244121555042 has 32 divisors (see below), whose sum is σ = 393466896000. Its totient is φ = 113298248448.

The previous prime is 244121555039. The next prime is 244121555077. The reversal of 244121555042 is 240555121442.

It is a super-2 number, since 2×244121555042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244121554993 and 244121555011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455834 + ... + 834282.

It is an arithmetic number, because the mean of its divisors is an integer number (12295840500).

Almost surely, 2^244121555042 is an apocalyptic number.

244121555042 is a deficient number, since it is larger than the sum of its proper divisors (149345340958).

244121555042 is a wasteful number, since it uses less digits than its factorization.

244121555042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378890.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 244121555042 its reverse (240555121442), we get a palindrome (484676676484).

The spelling of 244121555042 in words is "two hundred forty-four billion, one hundred twenty-one million, five hundred fifty-five thousand, forty-two".