30035040 has 144 divisors (see below), whose sum is σ = 110143152. Its totient is φ = 6859776.

The previous prime is 30035023. The next prime is 30035041. The reversal of 30035040 is 4053003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30035041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22882 + ... + 24158.

It is an arithmetic number, because the mean of its divisors is an integer number (764883).

Almost surely, 2^30035040 is an apocalyptic number.

30035040 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 30035040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55071576).

30035040 is an abundant number, since it is smaller than the sum of its proper divisors (80108112).

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

30035040 is a wasteful number, since it uses less digits than its factorization.

30035040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 30035040 is about 5480.4233413122. The cubic root of 30035040 is about 310.8441784453.

Adding to 30035040 its reverse (4053003), we get a palindrome (34088043).

The spelling of 30035040 in words is "thirty million, thirty-five thousand, forty".