525444550507428 has 24 divisors (see below), whose sum is σ = 1227323787465888. Its totient is φ = 174964397366976.

The previous prime is 525444550507421. The next prime is 525444550507477. The reversal of 525444550507428 is 824705055444525.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (525444550507421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22973255026 + ... + 22973277897.

It is an arithmetic number, because the mean of its divisors is an integer number (51138491144412).

Almost surely, 2^{525444550507428} is an apocalyptic number.

It is an amenable number.

525444550507428 is an abundant number, since it is smaller than the sum of its proper divisors (701879236958460).

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

525444550507428 is a wasteful number, since it uses less digits than its factorization.

525444550507428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45946533883 (or 45946533881 counting only the distinct ones).

The product of its (nonzero) digits is 179200000, while the sum is 60.

The spelling of 525444550507428 in words is "five hundred twenty-five trillion, four hundred forty-four billion, five hundred fifty million, five hundred seven thousand, four hundred twenty-eight".