244153132040 has 64 divisors (see below), whose sum is σ = 563041629360. Its totient is φ = 95228743680.

The previous prime is 244153132037. The next prime is 244153132049. The reversal of 244153132040 is 40231351442.

It can be written as a sum of positive squares in 8 ways, for example, as 128799160996 + 115353971044 = 358886^2 + 339638^2 .

It is a super-2 number, since 2×244153132040² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244153131994 and 244153132012.

It is not an unprimeable number, because it can be changed into a prime (244153132049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3131612 + ... + 3208628.

Almost surely, 2^244153132040 is an apocalyptic number.

244153132040 is a gapful number since it is divisible by the number (20) 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 244153132040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281520814680).

244153132040 is an abundant number, since it is smaller than the sum of its proper divisors (318888497320).

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

244153132040 is a wasteful number, since it uses less digits than its factorization.

244153132040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79002 (or 78998 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 244153132040 its reverse (40231351442), we get a palindrome (284384483482).

The spelling of 244153132040 in words is "two hundred forty-four billion, one hundred fifty-three million, one hundred thirty-two thousand, forty".