308975249040 has 160 divisors (see below), whose sum is σ = 1018326608640. Its totient is φ = 77324003328.

The previous prime is 308975249039. The next prime is 308975249053. The reversal of 308975249040 is 40942579803.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235495 + ... + 820614.

It is an arithmetic number, because the mean of its divisors is an integer number (6364541304).

Almost surely, 2^308975249040 is an apocalyptic number.

308975249040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

308975249040 is an abundant number, since it is smaller than the sum of its proper divisors (709351359600).

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

308975249040 is a wasteful number, since it uses less digits than its factorization.

308975249040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056201 (or 1056195 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 308975249040 in words is "three hundred eight billion, nine hundred seventy-five million, two hundred forty-nine thousand, forty".