30050040 has 64 divisors (see below), whose sum is σ = 91445760. Its totient is φ = 7898240.

The previous prime is 30049979. The next prime is 30050047. The reversal of 30050040 is 4005003.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30049998 and 30050025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30050047) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6757 + ... + 10283.

It is an arithmetic number, because the mean of its divisors is an integer number (1428840).

Almost surely, 2^30050040 is an apocalyptic number.

30050040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30050040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45722880).

30050040 is an abundant number, since it is smaller than the sum of its proper divisors (61395720).

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

30050040 is a wasteful number, since it uses less digits than its factorization.

30050040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612 (or 3608 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 30050040 is about 5481.7916779097. The cubic root of 30050040 is about 310.8959167559.

Adding to 30050040 its reverse (4005003), we get a palindrome (34055043).

The spelling of 30050040 in words is "thirty million, fifty thousand, forty", and thus it is an eban number.