25458006842 has 16 divisors (see below), whose sum is σ = 38704351392. Its totient is φ = 12557010960.

The previous prime is 25458006811. The next prime is 25458006859. The reversal of 25458006842 is 24860085452.

It is a super-2 number, since 2×25458006842² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25458006793 and 25458006802.

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, 884 + ... + 225647.

It is an arithmetic number, because the mean of its divisors is an integer number (2419021962).

Almost surely, 2^25458006842 is an apocalyptic number.

25458006842 is a deficient number, since it is larger than the sum of its proper divisors (13246344550).

25458006842 is a wasteful number, since it uses less digits than its factorization.

25458006842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227293.

The product of its (nonzero) digits is 614400, while the sum is 44.

The spelling of 25458006842 in words is "twenty-five billion, four hundred fifty-eight million, six thousand, eight hundred forty-two".