26401466425 has 24 divisors (see below), whose sum is σ = 33382095552. Its totient is φ = 20707752000.

The previous prime is 26401466401. The next prime is 26401466453. The reversal of 26401466425 is 52466410462.

It is a happy number.

It is not a de Polignac number, because 26401466425 - 2⁵ = 26401466393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 446442 + ... + 502108.

It is an arithmetic number, because the mean of its divisors is an integer number (1390920648).

Almost surely, 2^26401466425 is an apocalyptic number.

26401466425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26401466425 is a deficient number, since it is larger than the sum of its proper divisors (6980629127).

26401466425 is a wasteful number, since it uses less digits than its factorization.

26401466425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56049 (or 56044 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 26401466425 its reverse (52466410462), we get a palindrome (78867876887).

The spelling of 26401466425 in words is "twenty-six billion, four hundred one million, four hundred sixty-six thousand, four hundred twenty-five".