340063240 has 96 divisors (see below), whose sum is σ = 890711640. Its totient is φ = 116357120.

The previous prime is 340063231. The next prime is 340063247. The reversal of 340063240 is 42360043.

It can be written as a sum of positive squares in 4 ways, for example, as 327827236 + 12236004 = 18106^2 + 3498^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (340063247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80214 + ... + 84346.

Almost surely, 2^340063240 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 340063240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445355820).

340063240 is an abundant number, since it is smaller than the sum of its proper divisors (550648400).

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

340063240 is a wasteful number, since it uses less digits than its factorization.

340063240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183 (or 4168 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 340063240 is about 18440.8036701224. The cubic root of 340063240 is about 697.9964751069.

The spelling of 340063240 in words is "three hundred forty million, sixty-three thousand, two hundred forty".