305352346120240 has 160 divisors (see below), whose sum is σ = 713287928365056. Its totient is φ = 121567231134720.

The previous prime is 305352346120187. The next prime is 305352346120243. The reversal of 305352346120240 is 42021643253503.

It is a super-2 number, since 2×305352346120240² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 305352346120193 and 305352346120202.

It is not an unprimeable number, because it can be changed into a prime (305352346120243) 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, 53188003770 + ... + 53188009510.

Almost surely, 2^{305352346120240} is an apocalyptic number.

It is an amenable number.

305352346120240 is an abundant number, since it is smaller than the sum of its proper divisors (407935582244816).

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

305352346120240 is a wasteful number, since it uses less digits than its factorization.

305352346120240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9467 (or 9461 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 305352346120240 its reverse (42021643253503), we get a palindrome (347373989373743).

The spelling of 305352346120240 in words is "three hundred five trillion, three hundred fifty-two billion, three hundred forty-six million, one hundred twenty thousand, two hundred forty".