25455246465 has 32 divisors (see below), whose sum is σ = 44508145536. Its totient is φ = 12320501760.

The previous prime is 25455246449. The next prime is 25455246491. The reversal of 25455246465 is 56464255452.

It is not a de Polignac number, because 25455246465 - 2⁴ = 25455246449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38482 + ... + 228891.

It is an arithmetic number, because the mean of its divisors is an integer number (1390879548).

Almost surely, 2^25455246465 is an apocalyptic number.

It is an amenable number.

25455246465 is a deficient number, since it is larger than the sum of its proper divisors (19052899071).

25455246465 is a wasteful number, since it uses less digits than its factorization.

25455246465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267969.

The product of its digits is 5760000, while the sum is 48.

The spelling of 25455246465 in words is "twenty-five billion, four hundred fifty-five million, two hundred forty-six thousand, four hundred sixty-five".