25430046858 has 12 divisors (see below), whose sum is σ = 55098434898. Its totient is φ = 8476682280.

The previous prime is 25430046857. The next prime is 25430046907. The reversal of 25430046858 is 85864003452.

25430046858 is a `hidden beast` number, since 254 + 300 + 46 + 8 + 58 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24807195009 + 622851849 = 157503^2 + 24957^2 .

It is not an unprimeable number, because it can be changed into a prime (25430046857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 706390173 + ... + 706390208.

Almost surely, 2^25430046858 is an apocalyptic number.

25430046858 is an abundant number, since it is smaller than the sum of its proper divisors (29668388040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25430046858 is a wasteful number, since it uses less digits than its factorization.

25430046858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412780389 (or 1412780386 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 25430046858 in words is "twenty-five billion, four hundred thirty million, forty-six thousand, eight hundred fifty-eight".