340111501440 has 128 divisors (see below), whose sum is σ = 1084777686720. Its totient is φ = 90640158720.

The previous prime is 340111501369. The next prime is 340111501447. The reversal of 340111501440 is 44105111043.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×340111501440² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 340111501440.

It is not an unprimeable number, because it can be changed into a prime (340111501447) 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, 3088935 + ... + 3197145.

Almost surely, 2^340111501440 is an apocalyptic number.

340111501440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340111501440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542388843360).

340111501440 is an abundant number, since it is smaller than the sum of its proper divisors (744666185280).

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

340111501440 is a wasteful number, since it uses less digits than its factorization.

340111501440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109870 (or 109858 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 340111501440 its reverse (44105111043), we get a palindrome (384216612483).

The spelling of 340111501440 in words is "three hundred forty billion, one hundred eleven million, five hundred one thousand, four hundred forty".