25066744401 has 8 divisors (see below), whose sum is σ = 33432427360. Its totient is φ = 16706112192.

The previous prime is 25066744399. The next prime is 25066744597. The reversal of 25066744401 is 10444766052.

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

It is not a de Polignac number, because 25066744401 - 2¹ = 25066744399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25066744401.

It is not an unprimeable number, because it can be changed into a prime (25066744301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1251091 + ... + 1270968.

It is an arithmetic number, because the mean of its divisors is an integer number (4179053420).

Almost surely, 2^25066744401 is an apocalyptic number.

It is an amenable number.

25066744401 is a deficient number, since it is larger than the sum of its proper divisors (8365682959).

25066744401 is a wasteful number, since it uses less digits than its factorization.

25066744401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525375.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 25066744401 in words is "twenty-five billion, sixty-six million, seven hundred forty-four thousand, four hundred one".