25000004768940 has 144 divisors (see below), whose sum is σ = 82884266599680. Its totient is φ = 6072107397120.

The previous prime is 25000004768897. The next prime is 25000004768941. The reversal of 25000004768940 is 4986740000052.

It is a happy number.

25000004768940 is a `hidden beast` number, since 2 + 500 + 0 + 0 + 0 + 47 + 68 + 9 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (25000004768941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131678305 + ... + 131868024.

It is an arithmetic number, because the mean of its divisors is an integer number (575585184720).

Almost surely, 2^{25000004768940} is an apocalyptic number.

25000004768940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25000004768940 is an abundant number, since it is smaller than the sum of its proper divisors (57884261830740).

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

25000004768940 is a wasteful number, since it uses less digits than its factorization.

25000004768940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263546392 (or 263546387 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

Adding to 25000004768940 its reverse (4986740000052), we get a palindrome (29986744768992).

The spelling of 25000004768940 in words is "twenty-five trillion, four million, seven hundred sixty-eight thousand, nine hundred forty".