25023340432442 has 16 divisors (see below), whose sum is σ = 40959696492000. Its totient is φ = 11370797832240.

The previous prime is 25023340432429. The next prime is 25023340432463. The reversal of 25023340432442 is 24423404332052.

It is a junction number, because it is equal to n+sod(n) for n = 25023340432396 and 25023340432405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172316717 + ... + 172461872.

It is an arithmetic number, because the mean of its divisors is an integer number (2559981030750).

Almost surely, 2^{25023340432442} is an apocalyptic number.

25023340432442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25023340432442 is a deficient number, since it is larger than the sum of its proper divisors (15936356059558).

25023340432442 is a wasteful number, since it uses less digits than its factorization.

25023340432442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344781901.

The product of its (nonzero) digits is 552960, while the sum is 38.

Adding to 25023340432442 its reverse (24423404332052), we get a palindrome (49446744764494).

The spelling of 25023340432442 in words is "twenty-five trillion, twenty-three billion, three hundred forty million, four hundred thirty-two thousand, four hundred forty-two".