340425340 has 48 divisors (see below), whose sum is σ = 759326400. Its totient is φ = 127757312.

The previous prime is 340425329. The next prime is 340425361. The reversal of 340425340 is 43524043.

It is a super-2 number, since 2×340425340² = 231778824228231200, which contains 22 as substring.

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, 120666 + ... + 123454.

It is an arithmetic number, because the mean of its divisors is an integer number (15819300).

Almost surely, 2^340425340 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 340425340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379663200).

340425340 is an abundant number, since it is smaller than the sum of its proper divisors (418901060).

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

340425340 is a wasteful number, since it uses less digits than its factorization.

340425340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174 (or 3172 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 340425340 is about 18450.6189598073. The cubic root of 340425340 is about 698.2441298951.

Adding to 340425340 its reverse (43524043), we get a palindrome (383949383).

The spelling of 340425340 in words is "three hundred forty million, four hundred twenty-five thousand, three hundred forty".