25450453426 has 8 divisors (see below), whose sum is σ = 38178273024. Its totient is φ = 12724362420.

The previous prime is 25450453351. The next prime is 25450453429. The reversal of 25450453426 is 62435405452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25450453429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394690 + ... + 454621.

It is an arithmetic number, because the mean of its divisors is an integer number (4772284128).

Almost surely, 2^25450453426 is an apocalyptic number.

25450453426 is a deficient number, since it is larger than the sum of its proper divisors (12727819598).

25450453426 is a wasteful number, since it uses less digits than its factorization.

25450453426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864296.

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 25450453426 its reverse (62435405452), we get a palindrome (87885858878).

The spelling of 25450453426 in words is "twenty-five billion, four hundred fifty million, four hundred fifty-three thousand, four hundred twenty-six".