34102440 has 96 divisors (see below), whose sum is σ = 113461920. Its totient is φ = 8878464.

The previous prime is 34102433. The next prime is 34102457. The reversal of 34102440 is 4420143.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14379 + ... + 16581.

It is an arithmetic number, because the mean of its divisors is an integer number (1181895).

Almost surely, 2^34102440 is an apocalyptic number.

34102440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34102440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56730960).

34102440 is an abundant number, since it is smaller than the sum of its proper divisors (79359480).

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

34102440 is a wasteful number, since it uses less digits than its factorization.

34102440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263 (or 2256 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 34102440 is about 5839.7294457877. The cubic root of 34102440 is about 324.2862125712.

Adding to 34102440 its reverse (4420143), we get a palindrome (38522583).

The spelling of 34102440 in words is "thirty-four million, one hundred two thousand, four hundred forty".