340511444 has 96 divisors (see below), whose sum is σ = 762913536. Its totient is φ = 129392640.

The previous prime is 340511443. The next prime is 340511449. The reversal of 340511444 is 444115043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340511443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1764212 + ... + 1764404.

It is an arithmetic number, because the mean of its divisors is an integer number (7947016).

Almost surely, 2^340511444 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 340511444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381456768).

340511444 is an abundant number, since it is smaller than the sum of its proper divisors (422402092).

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

340511444 is a wasteful number, since it uses less digits than its factorization.

340511444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 340511444 is about 18452.9521757360. The cubic root of 340511444 is about 698.3029940447.

Adding to 340511444 its reverse (444115043), we get a palindrome (784626487).

The spelling of 340511444 in words is "three hundred forty million, five hundred eleven thousand, four hundred forty-four".