30234040 has 32 divisors (see below), whose sum is σ = 69147360. Its totient is φ = 11894400.

The previous prime is 30234023. The next prime is 30234067. The reversal of 30234040 is 4043203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3756 + ... + 8635.

It is an arithmetic number, because the mean of its divisors is an integer number (2160855).

Almost surely, 2^30234040 is an apocalyptic number.

It is an amenable number.

30234040 is an abundant number, since it is smaller than the sum of its proper divisors (38913320).

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

30234040 is a wasteful number, since it uses less digits than its factorization.

30234040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12463 (or 12459 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 30234040 is about 5498.5488994825. The cubic root of 30234040 is about 311.5291769985.

Adding to 30234040 its reverse (4043203), we get a palindrome (34277243).

The spelling of 30234040 in words is "thirty million, two hundred thirty-four thousand, forty".