25445620455254 has 16 divisors (see below), whose sum is σ = 38398704372000. Its totient is φ = 12646059157824.

The previous prime is 25445620455247. The next prime is 25445620455271. The reversal of 25445620455254 is 45255402654452.

It is a junction number, because it is equal to n+sod(n) for n = 25445620455196 and 25445620455205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5809322 + ... + 9199970.

It is an arithmetic number, because the mean of its divisors is an integer number (2399919023250).

Almost surely, 2^{25445620455254} is an apocalyptic number.

25445620455254 is a deficient number, since it is larger than the sum of its proper divisors (12953083916746).

25445620455254 is a wasteful number, since it uses less digits than its factorization.

25445620455254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413287.

The product of its (nonzero) digits is 38400000, while the sum is 53.

The spelling of 25445620455254 in words is "twenty-five trillion, four hundred forty-five billion, six hundred twenty million, four hundred fifty-five thousand, two hundred fifty-four".