25367470728 has 32 divisors (see below), whose sum is σ = 63918044160. Its totient is φ = 8389241280.

The previous prime is 25367470721. The next prime is 25367470763. The reversal of 25367470728 is 82707476352.

It is a super-2 number, since 2×25367470728² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25367470721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4158283 + ... + 4164378.

It is an arithmetic number, because the mean of its divisors is an integer number (1997438880).

Almost surely, 2^25367470728 is an apocalyptic number.

It is an amenable number.

25367470728 is an abundant number, since it is smaller than the sum of its proper divisors (38550573432).

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

25367470728 is a wasteful number, since it uses less digits than its factorization.

25367470728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8322797 (or 8322793 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 51.

The spelling of 25367470728 in words is "twenty-five billion, three hundred sixty-seven million, four hundred seventy thousand, seven hundred twenty-eight".