307249290028 has 24 divisors (see below), whose sum is σ = 541501254000. Its totient is φ = 152535432768.

The previous prime is 307249289983. The next prime is 307249290059. The reversal of 307249290028 is 820092942703.

It is a self number, because there is not a number n which added to its sum of digits gives 307249290028.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487826 + ... + 1681702.

It is an arithmetic number, because the mean of its divisors is an integer number (22562552250).

Almost surely, 2^307249290028 is an apocalyptic number.

It is an amenable number.

307249290028 is a deficient number, since it is larger than the sum of its proper divisors (234251963972).

307249290028 is a wasteful number, since it uses less digits than its factorization.

307249290028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196689 (or 196687 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 307249290028 in words is "three hundred seven billion, two hundred forty-nine million, two hundred ninety thousand, twenty-eight".