25830154098 has 96 divisors (see below), whose sum is σ = 67903963200. Its totient is φ = 7254914688.

The previous prime is 25830154069. The next prime is 25830154121. The reversal of 25830154098 is 89045103852.

25830154098 is a `hidden beast` number, since 25 + 83 + 0 + 1 + 540 + 9 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73386 + ... + 238842.

It is an arithmetic number, because the mean of its divisors is an integer number (707332950).

Almost surely, 2^25830154098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25830154098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33951981600).

25830154098 is an abundant number, since it is smaller than the sum of its proper divisors (42073809102).

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

25830154098 is a wasteful number, since it uses less digits than its factorization.

25830154098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165541 (or 165528 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 25830154098 in words is "twenty-five billion, eight hundred thirty million, one hundred fifty-four thousand, ninety-eight".