25326160452 has 36 divisors (see below), whose sum is σ = 65226814380. Its totient is φ = 8282768832.

The previous prime is 25326160417. The next prime is 25326160487. The reversal of 25326160452 is 25406162352.

25326160452 is a `hidden beast` number, since 2 + 5 + 32 + 616 + 0 + 4 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (25326160417) and next prime (25326160487).

It can be written as a sum of positive squares in 2 ways, for example, as 17367022656 + 7959137796 = 131784^2 + 89214^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 6634927 + ... + 6638742.

It is an arithmetic number, because the mean of its divisors is an integer number (1811855955).

Almost surely, 2^25326160452 is an apocalyptic number.

It is an amenable number.

25326160452 is an abundant number, since it is smaller than the sum of its proper divisors (39900653928).

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

25326160452 is a wasteful number, since it uses less digits than its factorization.

25326160452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13273732 (or 13273727 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 25326160452 in words is "twenty-five billion, three hundred twenty-six million, one hundred sixty thousand, four hundred fifty-two".