30525117725040 has 160 divisors (see below), whose sum is σ = 95431756476672. Its totient is φ = 8070985728000.

The previous prime is 30525117725021. The next prime is 30525117725057. The reversal of 30525117725040 is 4052771152503.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30525117724983 and 30525117725001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36401680 + ... + 37230800.

Almost surely, 2^{30525117725040} is an apocalyptic number.

30525117725040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30525117725040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47715878238336).

30525117725040 is an abundant number, since it is smaller than the sum of its proper divisors (64906638751632).

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

30525117725040 is a wasteful number, since it uses less digits than its factorization.

30525117725040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830439 (or 830433 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 42.

Adding to 30525117725040 its reverse (4052771152503), we get a palindrome (34577888877543).

The spelling of 30525117725040 in words is "thirty trillion, five hundred twenty-five billion, one hundred seventeen million, seven hundred twenty-five thousand, forty".