1244432240240 has 160 divisors (see below), whose sum is σ = 3431668930560. Its totient is φ = 410623718400.

The previous prime is 1244432240209. The next prime is 1244432240291. The reversal of 1244432240240 is 420422344421.

It is a super-2 number, since 2×1244432240240² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1244432240197 and 1244432240206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4927445 + ... + 5173835.

It is an arithmetic number, because the mean of its divisors is an integer number (21447930816).

Almost surely, 2^{1244432240240} is an apocalyptic number.

1244432240240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244432240240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1715834465280).

1244432240240 is an abundant number, since it is smaller than the sum of its proper divisors (2187236690320).

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

1244432240240 is a wasteful number, since it uses less digits than its factorization.

1244432240240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246751 (or 246745 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 1244432240240 its reverse (420422344421), we get a palindrome (1664854584661).

The spelling of 1244432240240 in words is "one trillion, two hundred forty-four billion, four hundred thirty-two million, two hundred forty thousand, two hundred forty".