2472708581644 has 12 divisors (see below), whose sum is σ = 4945417163344. Its totient is φ = 1059732249264.

The previous prime is 2472708581633. The next prime is 2472708581723. The reversal of 2472708581644 is 4461858072742.

2472708581644 is an admirable number.

It is a super-2 number, since 2×2472708581644² (a number of 26 digits) contains 22 as substring.

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, 44155510359 + ... + 44155510414.

Almost surely, 2^{2472708581644} is an apocalyptic number.

It is an amenable number.

2472708581644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2472708581644 is a wasteful number, since it uses less digits than its factorization.

2472708581644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88311020784 (or 88311020782 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 58.

The spelling of 2472708581644 in words is "two trillion, four hundred seventy-two billion, seven hundred eight million, five hundred eighty-one thousand, six hundred forty-four".