25426002571406 has 8 divisors (see below), whose sum is σ = 38139408553320. Its totient is φ = 12712866386968.

The previous prime is 25426002571399. The next prime is 25426002571423. The reversal of 25426002571406 is 60417520062452.

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

It is a super-2 number, since 2×25426002571406² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67213601 + ... + 67590828.

It is an arithmetic number, because the mean of its divisors is an integer number (4767426069165).

Almost surely, 2^{25426002571406} is an apocalyptic number.

25426002571406 is a deficient number, since it is larger than the sum of its proper divisors (12713405981914).

25426002571406 is a wasteful number, since it uses less digits than its factorization.

25426002571406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134898738.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 25426002571406 in words is "twenty-five trillion, four hundred twenty-six billion, two million, five hundred seventy-one thousand, four hundred six".