244691442 has 30 divisors (see below), whose sum is σ = 548736573. Its totient is φ = 81497448.

The previous prime is 244691441. The next prime is 244691459. The reversal of 244691442 is 244196442.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 150038001 + 94653441 = 12249^2 + 9729^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=11061.

It is a junction number, because it is equal to n+sod(n) for n = 244691397 and 244691406.

It is not an unprimeable number, because it can be changed into a prime (244691441) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 198484 + ... + 199712.

Almost surely, 2^244691442 is an apocalyptic number.

244691442 is an abundant number, since it is smaller than the sum of its proper divisors (304045131).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244691442 is an frugal number, since it uses more digits than its factorization.

244691442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472 (or 1234 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 244691442 is about 15642.6162134088. The cubic root of 244691442 is about 625.4696774632.

The spelling of 244691442 in words is "two hundred forty-four million, six hundred ninety-one thousand, four hundred forty-two".