244042302440 has 16 divisors (see below), whose sum is σ = 549095180580. Its totient is φ = 97616920960.

The previous prime is 244042302389. The next prime is 244042302479. The reversal of 244042302440 is 44203240442.

It can be written as a sum of positive squares in 2 ways, for example, as 223882278244 + 20160024196 = 473162^2 + 141986^2 .

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, 3050528741 + ... + 3050528820.

Almost surely, 2^244042302440 is an apocalyptic number.

244042302440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244042302440 is an abundant number, since it is smaller than the sum of its proper divisors (305052878140).

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

244042302440 is a wasteful number, since it uses less digits than its factorization.

244042302440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6101057572 (or 6101057568 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 244042302440 its reverse (44203240442), we get a palindrome (288245542882).

The spelling of 244042302440 in words is "two hundred forty-four billion, forty-two million, three hundred two thousand, four hundred forty".