25454245012 has 36 divisors (see below), whose sum is σ = 51837752820. Its totient is φ = 10904713344.

The previous prime is 25454244997. The next prime is 25454245067. The reversal of 25454245012 is 21054245452.

It can be written as a sum of positive squares in 2 ways, for example, as 23397985296 + 2056259716 = 152964^2 + 45346^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507814 + ... + 555682.

Almost surely, 2^25454245012 is an apocalyptic number.

It is an amenable number.

25454245012 is an abundant number, since it is smaller than the sum of its proper divisors (26383507808).

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

25454245012 is a wasteful number, since it uses less digits than its factorization.

25454245012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50600 (or 50591 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 34.

The spelling of 25454245012 in words is "twenty-five billion, four hundred fifty-four million, two hundred forty-five thousand, twelve".