244155231442 has 8 divisors (see below), whose sum is σ = 366246786816. Its totient is φ = 122072969172.

The previous prime is 244155231433. The next prime is 244155231449. The reversal of 244155231442 is 244132551442.

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

It is a super-2 number, since 2×244155231442² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (244155231449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257218 + ... + 2362909.

It is an arithmetic number, because the mean of its divisors is an integer number (45780848352).

Almost surely, 2^244155231442 is an apocalyptic number.

244155231442 is a deficient number, since it is larger than the sum of its proper divisors (122091555374).

244155231442 is a wasteful number, since it uses less digits than its factorization.

244155231442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646552.

The product of its digits is 153600, while the sum is 37.

Adding to 244155231442 its reverse (244132551442), we get a palindrome (488287782884).

The spelling of 244155231442 in words is "two hundred forty-four billion, one hundred fifty-five million, two hundred thirty-one thousand, four hundred forty-two".