325245195720 has 128 divisors (see below), whose sum is σ = 1099002297600. Its totient is φ = 85543921152.

The previous prime is 325245195719. The next prime is 325245195727. The reversal of 325245195720 is 27591542523.

325245195720 is a `hidden beast` number, since 3 + 2 + 5 + 24 + 51 + 9 + 572 + 0 = 666.

It is a super-2 number, since 2×325245195720² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (325245195727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1983852 + ... + 2141531.

It is an arithmetic number, because the mean of its divisors is an integer number (8585955450).

Almost surely, 2^325245195720 is an apocalyptic number.

325245195720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325245195720 is an abundant number, since it is smaller than the sum of its proper divisors (773757101880).

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

325245195720 is a wasteful number, since it uses less digits than its factorization.

325245195720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4125476 (or 4125466 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 325245195720 in words is "three hundred twenty-five billion, two hundred forty-five million, one hundred ninety-five thousand, seven hundred twenty".