34242040 has 64 divisors (see below), whose sum is σ = 91108800. Its totient is φ = 11332608.

The previous prime is 34242017. The next prime is 34242053. The reversal of 34242040 is 4024243.

It is a junction number, because it is equal to n+sod(n) for n = 34241999 and 34242017.

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, 6012 + ... + 10228.

It is an arithmetic number, because the mean of its divisors is an integer number (1423575).

Almost surely, 2^34242040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34242040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45554400).

34242040 is an abundant number, since it is smaller than the sum of its proper divisors (56866760).

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

34242040 is a wasteful number, since it uses less digits than its factorization.

34242040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264 (or 4260 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 34242040 is about 5851.6698471462. The cubic root of 34242040 is about 324.7281039553.

Adding to 34242040 its reverse (4024243), we get a palindrome (38266283).

The spelling of 34242040 in words is "thirty-four million, two hundred forty-two thousand, forty".