33242940 has 48 divisors (see below), whose sum is σ = 103424160. Its totient is φ = 8864640.

The previous prime is 33242933. The next prime is 33242969. The reversal of 33242940 is 4924233.

It is a happy number.

It is a super-2 number, since 2×33242940² = 2210186119687200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 30241 + ... + 31320.

It is an arithmetic number, because the mean of its divisors is an integer number (2154670).

Almost surely, 2^33242940 is an apocalyptic number.

33242940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33242940 is an abundant number, since it is smaller than the sum of its proper divisors (70181220).

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

33242940 is a wasteful number, since it uses less digits than its factorization.

33242940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61579 (or 61571 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 33242940 is about 5765.6690851973. The cubic root of 33242940 is about 321.5386188267.

The spelling of 33242940 in words is "thirty-three million, two hundred forty-two thousand, nine hundred forty".