25455644655452 has 48 divisors (see below), whose sum is σ = 50431493639520. Its totient is φ = 11136513964800.

The previous prime is 25455644655437. The next prime is 25455644655457.

25455644655452 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×25455644655452³ (a number of 41 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25455644655457) 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, 31061699 + ... + 31870682.

It is an arithmetic number, because the mean of its divisors is an integer number (1050656117490).

Almost surely, 2^{25455644655452} is an apocalyptic number.

25455644655452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25455644655452 is a deficient number, since it is larger than the sum of its proper divisors (24975848984068).

25455644655452 is a wasteful number, since it uses less digits than its factorization.

25455644655452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62932742 (or 62932740 counting only the distinct ones).

The product of its digits is 576000000, while the sum is 62.

The spelling of 25455644655452 in words is "twenty-five trillion, four hundred fifty-five billion, six hundred forty-four million, six hundred fifty-five thousand, four hundred fifty-two".