25118750340 has 216 divisors, whose sum is σ = 80223718848. Its totient is φ = 6361027200.

The previous prime is 25118750311. The next prime is 25118750357. The reversal of 25118750340 is 4305781152.

25118750340 is a `hidden beast` number, since 25 + 11 + 87 + 503 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 25118750295 and 25118750304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14377347 + ... + 14379093.

Almost surely, 2^25118750340 is an apocalyptic number.

25118750340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25118750340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40111859424).

25118750340 is an abundant number, since it is smaller than the sum of its proper divisors (55104968508).

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

25118750340 is a wasteful number, since it uses less digits than its factorization.

25118750340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 25118750340 in words is "twenty-five billion, one hundred eighteen million, seven hundred fifty thousand, three hundred forty".