34242540 has 48 divisors (see below), whose sum is σ = 96399072. Its totient is φ = 9081856.

The previous prime is 34242529. The next prime is 34242547. The reversal of 34242540 is 4524243.

It is a self number, because there is not a number n which added to its sum of digits gives 34242540.

It is not an unprimeable number, because it can be changed into a prime (34242547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10372 + ... + 13268.

It is an arithmetic number, because the mean of its divisors is an integer number (2008314).

Almost surely, 2^34242540 is an apocalyptic number.

34242540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34242540 is an abundant number, since it is smaller than the sum of its proper divisors (62156532).

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

34242540 is a wasteful number, since it uses less digits than its factorization.

34242540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106 (or 3104 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 34242540 is about 5851.7125698380. The cubic root of 34242540 is about 324.7296845003.

Adding to 34242540 its reverse (4524243), we get a palindrome (38766783).

The spelling of 34242540 in words is "thirty-four million, two hundred forty-two thousand, five hundred forty".