940030728 has 192 divisors, whose sum is σ = 2944045440. Its totient is φ = 244887552.

The previous prime is 940030669. The next prime is 940030747. The reversal of 940030728 is 827030049.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3208150 + ... + 3208442.

It is an arithmetic number, because the mean of its divisors is an integer number (15333570).

Almost surely, 2^940030728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 940030728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1472022720).

940030728 is an abundant number, since it is smaller than the sum of its proper divisors (2004014712).

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

940030728 is a wasteful number, since it uses less digits than its factorization.

940030728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 940030728 is about 30659.9205478423. The cubic root of 940030728 is about 979.5967826141.

The spelling of 940030728 in words is "nine hundred forty million, thirty thousand, seven hundred twenty-eight".