247415360444 has 144 divisors (see below), whose sum is σ = 562174099200. Its totient is φ = 92751879168.

The previous prime is 247415360417. The next prime is 247415360447. The reversal of 247415360444 is 444063514742.

It is a super-2 number, since 2×247415360444² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247415360395 and 247415360404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247415360447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25399727 + ... + 25409465.

It is an arithmetic number, because the mean of its divisors is an integer number (3903986800).

Almost surely, 2^247415360444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247415360444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281087049600).

247415360444 is an abundant number, since it is smaller than the sum of its proper divisors (314758738756).

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

247415360444 is a wasteful number, since it uses less digits than its factorization.

247415360444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9892 (or 9837 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 44.

The spelling of 247415360444 in words is "two hundred forty-seven billion, four hundred fifteen million, three hundred sixty thousand, four hundred forty-four".