33150540 has 48 divisors (see below), whose sum is σ = 93461760. Its totient is φ = 8779200.

The previous prime is 33150517. The next prime is 33150553. The reversal of 33150540 is 4505133.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7231 + ... + 10889.

It is an arithmetic number, because the mean of its divisors is an integer number (1947120).

Almost surely, 2^33150540 is an apocalyptic number.

33150540 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 33150540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46730880).

33150540 is an abundant number, since it is smaller than the sum of its proper divisors (60311220).

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

33150540 is a wasteful number, since it uses less digits than its factorization.

33150540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822 (or 3820 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 33150540 is about 5757.6505625125. The cubic root of 33150540 is about 321.2404328279.

Adding to 33150540 its reverse (4505133), we get a palindrome (37655673).

The spelling of 33150540 in words is "thirty-three million, one hundred fifty thousand, five hundred forty".