244120420994 has 4 divisors (see below), whose sum is σ = 366180631494. Its totient is φ = 122060210496.

The previous prime is 244120420967. The next prime is 244120420997. The reversal of 244120420994 is 499024021442.

It is a happy number.

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., 216817815769 + 27302605225 = 465637^2 + 165235^2 .

It is not an unprimeable number, because it can be changed into a prime (244120420997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61030105247 + ... + 61030105250.

Almost surely, 2^244120420994 is an apocalyptic number.

244120420994 is a deficient number, since it is larger than the sum of its proper divisors (122060210500).

244120420994 is a wasteful number, since it uses less digits than its factorization.

244120420994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122060210499.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 244120420994 in words is "two hundred forty-four billion, one hundred twenty million, four hundred twenty thousand, nine hundred ninety-four".