340383040 has 56 divisors (see below), whose sum is σ = 812718720. Its totient is φ = 135787008.

The previous prime is 340383031. The next prime is 340383041. The reversal of 340383040 is 40383043.

It is a super-2 number, since 2×340383040² = 231721227839283200, which contains 22 as substring.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 340382996 and 340383014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340383041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139269 + ... + 141691.

Almost surely, 2^340383040 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 340383040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406359360).

340383040 is an abundant number, since it is smaller than the sum of its proper divisors (472335680).

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

340383040 is a wasteful number, since it uses less digits than its factorization.

340383040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879 (or 2869 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 340383040 is about 18449.4726211889. The cubic root of 340383040 is about 698.2152082818.

The spelling of 340383040 in words is "three hundred forty million, three hundred eighty-three thousand, forty".