25495786276 has 27 divisors (see below), whose sum is σ = 46226009011. Its totient is φ = 12303839744.

The previous prime is 25495786243. The next prime is 25495786307. The reversal of 25495786276 is 67268759452.

The square root of 25495786276 is 159674.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 6788112100 + 18707674176 = 82390^2 + 136776^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9259716 + ... + 9262468.

Almost surely, 2^25495786276 is an apocalyptic number.

25495786276 is the 159674-th square number.

It is an amenable number.

25495786276 is a deficient number, since it is larger than the sum of its proper divisors (20730222735).

25495786276 is an frugal number, since it uses more digits than its factorization.

25495786276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568 (or 2784 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 61.

The spelling of 25495786276 in words is "twenty-five billion, four hundred ninety-five million, seven hundred eighty-six thousand, two hundred seventy-six".