25140835003986 has 384 divisors, whose sum is σ = 62367508030464. Its totient is φ = 7261408788480.

The previous prime is 25140835003969. The next prime is 25140835003987. The reversal of 25140835003986 is 68930053804152.

25140835003986 is a `hidden beast` number, since 2 + 5 + 1 + 40 + 8 + 3 + 500 + 3 + 98 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (25140835003987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 38857549915 + ... + 38857550561.

It is an arithmetic number, because the mean of its divisors is an integer number (162415385496).

Almost surely, 2^{25140835003986} is an apocalyptic number.

25140835003986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25140835003986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31183754015232).

25140835003986 is an abundant number, since it is smaller than the sum of its proper divisors (37226673026478).

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

25140835003986 is a wasteful number, since it uses less digits than its factorization.

25140835003986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 25140835003986 in words is "twenty-five trillion, one hundred forty billion, eight hundred thirty-five million, three thousand, nine hundred eighty-six".