25748406852 has 48 divisors (see below), whose sum is σ = 72276234240. Its totient is φ = 6969493152.

The previous prime is 25748406851. The next prime is 25748406877. The reversal of 25748406852 is 25860484752.

It is a super-2 number, since 2×25748406852² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25748406795 and 25748406804.

It is not an unprimeable number, because it can be changed into a prime (25748406851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8064948 + ... + 8068139.

It is an arithmetic number, because the mean of its divisors is an integer number (1505754880).

Almost surely, 2^25748406852 is an apocalyptic number.

It is an amenable number.

25748406852 is an abundant number, since it is smaller than the sum of its proper divisors (46527827388).

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

25748406852 is a wasteful number, since it uses less digits than its factorization.

25748406852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16133120 (or 16133118 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 51.

The spelling of 25748406852 in words is "twenty-five billion, seven hundred forty-eight million, four hundred six thousand, eight hundred fifty-two".