525530440245040 has 40 divisors (see below), whose sum is σ = 1226206523706048. Its totient is φ = 209464090053120.

The previous prime is 525530440244989. The next prime is 525530440245047. The reversal of 525530440245040 is 40542044035525.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (525530440245047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11688821832 + ... + 11688866791.

Almost surely, 2^{525530440245040} is an apocalyptic number.

It is an amenable number.

525530440245040 is an abundant number, since it is smaller than the sum of its proper divisors (700676083461008).

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

525530440245040 is a wasteful number, since it uses less digits than its factorization.

525530440245040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23377688917 (or 23377688911 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 43.

The spelling of 525530440245040 in words is "five hundred twenty-five trillion, five hundred thirty billion, four hundred forty million, two hundred forty-five thousand, forty".