25054649833444 has 81 divisors (see below), whose sum is σ = 56064092182371. Its totient is φ = 9761251555440.

The previous prime is 25054649833351. The next prime is 25054649833459. The reversal of 25054649833444 is 44433894645052.

The square root of 25054649833444 is 5005462.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×25054649833444² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 770824897 + ... + 770857399.

Almost surely, 2^{25054649833444} is an apocalyptic number.

25054649833444 is the 5005462-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25054649833444

25054649833444 is an abundant number, since it is smaller than the sum of its proper divisors (31009442348927).

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

25054649833444 is an frugal number, since it uses more digits than its factorization.

25054649833444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65046 (or 32523 counting only the distinct ones).

The product of its (nonzero) digits is 199065600, while the sum is 61.

The spelling of 25054649833444 in words is "twenty-five trillion, fifty-four billion, six hundred forty-nine million, eight hundred thirty-three thousand, four hundred forty-four".