33058140 has 24 divisors (see below), whose sum is σ = 92562960. Its totient is φ = 8815488.

The previous prime is 33058139. The next prime is 33058141. The reversal of 33058140 is 4185033.

It is an interprime number because it is at equal distance from previous prime (33058139) and next prime (33058141).

It is a self number, because there is not a number n which added to its sum of digits gives 33058140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33058141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275425 + ... + 275544.

It is an arithmetic number, because the mean of its divisors is an integer number (3856790).

Almost surely, 2^33058140 is an apocalyptic number.

33058140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33058140 is an abundant number, since it is smaller than the sum of its proper divisors (59504820).

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

33058140 is a wasteful number, since it uses less digits than its factorization.

33058140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550981 (or 550979 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 33058140 is about 5749.6208570653. The cubic root of 33058140 is about 320.9416922267.

The spelling of 33058140 in words is "thirty-three million, fifty-eight thousand, one hundred forty".