34120040 has 32 divisors (see below), whose sum is σ = 80110080. Its totient is φ = 13054272.

The previous prime is 34120033. The next prime is 34120043. The reversal of 34120040 is 4002143.

It is a junction number, because it is equal to n+sod(n) for n = 34119997 and 34120024.

It is not an unprimeable number, because it can be changed into a prime (34120043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17624 + ... + 19463.

It is an arithmetic number, because the mean of its divisors is an integer number (2503440).

Almost surely, 2^34120040 is an apocalyptic number.

It is an amenable number.

34120040 is an abundant number, since it is smaller than the sum of its proper divisors (45990040).

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

34120040 is a wasteful number, since it uses less digits than its factorization.

34120040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37121 (or 37117 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 34120040 is about 5841.2361705379. The cubic root of 34120040 is about 324.3419901614.

Adding to 34120040 its reverse (4002143), we get a palindrome (38122183).

The spelling of 34120040 in words is "thirty-four million, one hundred twenty thousand, forty".