340040437 has 16 divisors (see below), whose sum is σ = 376032384. Its totient is φ = 304920000.

The previous prime is 340040419. The next prime is 340040453. The reversal of 340040437 is 734040043.

It is not a de Polignac number, because 340040437 - 2¹¹ = 340038389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340047437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467368 + ... + 468094.

It is an arithmetic number, because the mean of its divisors is an integer number (23502024).

Almost surely, 2^340040437 is an apocalyptic number.

It is an amenable number.

340040437 is a deficient number, since it is larger than the sum of its proper divisors (35991947).

340040437 is a wasteful number, since it uses less digits than its factorization.

340040437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 340040437 is about 18440.1853841007. The cubic root of 340040437 is about 697.9808733330.

The spelling of 340040437 in words is "three hundred forty million, forty thousand, four hundred thirty-seven".