25406253046 has 8 divisors (see below), whose sum is σ = 38268833760. Its totient is φ = 12649975128.

The previous prime is 25406253043. The next prime is 25406253107. The reversal of 25406253046 is 64035260452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25406252996 and 25406253014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25406253043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26575101 + ... + 26576056.

It is an arithmetic number, because the mean of its divisors is an integer number (4783604220).

Almost surely, 2^25406253046 is an apocalyptic number.

25406253046 is a deficient number, since it is larger than the sum of its proper divisors (12862580714).

25406253046 is a wasteful number, since it uses less digits than its factorization.

25406253046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53151398.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 25406253046 in words is "twenty-five billion, four hundred six million, two hundred fifty-three thousand, forty-six".