25424315390064 has 40 divisors (see below), whose sum is σ = 65680355040912. Its totient is φ = 8474659072000.

The previous prime is 25424315390059. The next prime is 25424315390087. The reversal of 25424315390064 is 46009351342452.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 25424315389995 and 25424315390022.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 163402 + ... + 7132694.

Almost surely, 2^{25424315390064} is an apocalyptic number.

25424315390064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25424315390064 is an abundant number, since it is smaller than the sum of its proper divisors (40256039650848).

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

25424315390064 is a wasteful number, since it uses less digits than its factorization.

25424315390064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7045305 (or 7045299 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 25424315390064 in words is "twenty-five trillion, four hundred twenty-four billion, three hundred fifteen million, three hundred ninety thousand, sixty-four".