25414870494480 has 160 divisors (see below), whose sum is σ = 81332285829120. Its totient is φ = 6558297208320.

The previous prime is 25414870494463. The next prime is 25414870494487. The reversal of 25414870494480 is 8449407841452.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (25414870494487) 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 31 ways as a sum of consecutive naturals, for example, 142483591 + ... + 142661849.

It is an arithmetic number, because the mean of its divisors is an integer number (508326786432).

Almost surely, 2^{25414870494480} is an apocalyptic number.

25414870494480 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 25414870494480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40666142914560).

25414870494480 is an abundant number, since it is smaller than the sum of its proper divisors (55917415334640).

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

25414870494480 is a wasteful number, since it uses less digits than its factorization.

25414870494480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197469 (or 197463 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 60.

The spelling of 25414870494480 in words is "twenty-five trillion, four hundred fourteen billion, eight hundred seventy million, four hundred ninety-four thousand, four hundred eighty".