30428873340 has 24 divisors (see below), whose sum is σ = 85200845520. Its totient is φ = 8114366208.

The previous prime is 30428873333. The next prime is 30428873341. The reversal of 30428873340 is 4337882403.

It is a junction number, because it is equal to n+sod(n) for n = 30428873292 and 30428873301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30428873341) by changing a digit.

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, 253573885 + ... + 253574004.

It is an arithmetic number, because the mean of its divisors is an integer number (3550035230).

Almost surely, 2^30428873340 is an apocalyptic number.

30428873340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30428873340 is an abundant number, since it is smaller than the sum of its proper divisors (54771972180).

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

30428873340 is a wasteful number, since it uses less digits than its factorization.

30428873340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507147901 (or 507147899 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 30428873340 in words is "thirty billion, four hundred twenty-eight million, eight hundred seventy-three thousand, three hundred forty".