340330040 has 16 divisors (see below), whose sum is σ = 765742680. Its totient is φ = 136132000.

The previous prime is 340330027. The next prime is 340330061. The reversal of 340330040 is 40033043.

340330040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×340330040² = 231649072252803200, 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 3 ways as a sum of consecutive naturals, for example, 4254086 + ... + 4254165.

Almost surely, 2^340330040 is an apocalyptic number.

It is an amenable number.

340330040 is an abundant number, since it is smaller than the sum of its proper divisors (425412640).

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

340330040 is a wasteful number, since it uses less digits than its factorization.

340330040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8508262 (or 8508258 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 340330040 is about 18448.0362098517. The cubic root of 340330040 is about 698.1789674174.

Adding to 340330040 its reverse (40033043), we get a palindrome (380363083).

The spelling of 340330040 in words is "three hundred forty million, three hundred thirty thousand, forty".