25424433513432 has 48 divisors (see below), whose sum is σ = 68886543960000. Its totient is φ = 8471278470336.

The previous prime is 25424433513421. The next prime is 25424433513461. The reversal of 25424433513432 is 23431533442452.

25424433513432 is a `hidden beast` number, since 2 + 5 + 42 + 443 + 3 + 5 + 134 + 32 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73424007 + ... + 73769462.

It is an arithmetic number, because the mean of its divisors is an integer number (1435136332500).

Almost surely, 2^{25424433513432} is an apocalyptic number.

It is an amenable number.

25424433513432 is an abundant number, since it is smaller than the sum of its proper divisors (43462110446568).

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

25424433513432 is a wasteful number, since it uses less digits than its factorization.

25424433513432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147195880 (or 147195873 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 45.

Adding to 25424433513432 its reverse (23431533442452), we get a palindrome (48855966955884).

The spelling of 25424433513432 in words is "twenty-five trillion, four hundred twenty-four billion, four hundred thirty-three million, five hundred thirteen thousand, four hundred thirty-two".