308955924140 has 48 divisors (see below), whose sum is σ = 657323553600. Its totient is φ = 121967357952.

The previous prime is 308955924097. The next prime is 308955924143. The reversal of 308955924140 is 41429559803.

It is a super-2 number, since 2×308955924140² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (308955924143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474656 + ... + 918264.

It is an arithmetic number, because the mean of its divisors is an integer number (13694240700).

Almost surely, 2^308955924140 is an apocalyptic number.

It is an amenable number.

308955924140 is an abundant number, since it is smaller than the sum of its proper divisors (348367629460).

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

308955924140 is a wasteful number, since it uses less digits than its factorization.

308955924140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444074 (or 444072 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 308955924140 in words is "three hundred eight billion, nine hundred fifty-five million, nine hundred twenty-four thousand, one hundred forty".