25320425450 has 24 divisors (see below), whose sum is σ = 47111047200. Its totient is φ = 10124932400.

The previous prime is 25320425441. The next prime is 25320425453. The reversal of 25320425450 is 5452402352.

It is a super-2 number, since 2×25320425450² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25320425453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80201 + ... + 238899.

It is an arithmetic number, because the mean of its divisors is an integer number (1962960300).

Almost surely, 2^25320425450 is an apocalyptic number.

25320425450 is a deficient number, since it is larger than the sum of its proper divisors (21790621750).

25320425450 is a wasteful number, since it uses less digits than its factorization.

25320425450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161902 (or 161897 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The spelling of 25320425450 in words is "twenty-five billion, three hundred twenty million, four hundred twenty-five thousand, four hundred fifty".