244120135454 has 8 divisors (see below), whose sum is σ = 394347911160. Its totient is φ = 112670831736.

The previous prime is 244120135421. The next prime is 244120135487. The reversal of 244120135454 is 454531021442.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (244120135421) and next prime (244120135487).

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

It is a super-2 number, since 2×244120135454² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4694617964 + ... + 4694618015.

It is an arithmetic number, because the mean of its divisors is an integer number (49293488895).

Almost surely, 2^244120135454 is an apocalyptic number.

244120135454 is a deficient number, since it is larger than the sum of its proper divisors (150227775706).

244120135454 is a wasteful number, since it uses less digits than its factorization.

244120135454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9389235994.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 244120135454 its reverse (454531021442), we get a palindrome (698651156896).

The spelling of 244120135454 in words is "two hundred forty-four billion, one hundred twenty million, one hundred thirty-five thousand, four hundred fifty-four".