340443125540 has 48 divisors (see below), whose sum is σ = 817888318464. Its totient is φ = 116605526400.

The previous prime is 340443125537. The next prime is 340443125551. The reversal of 340443125540 is 45521344043.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 340443125540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1088171 + ... + 1365650.

It is an arithmetic number, because the mean of its divisors is an integer number (17039339968).

Almost surely, 2^340443125540 is an apocalyptic number.

It is an amenable number.

340443125540 is an abundant number, since it is smaller than the sum of its proper divisors (477445192924).

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

340443125540 is a wasteful number, since it uses less digits than its factorization.

340443125540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454828 (or 2454826 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 340443125540 its reverse (45521344043), we get a palindrome (385964469583).

The spelling of 340443125540 in words is "three hundred forty billion, four hundred forty-three million, one hundred twenty-five thousand, five hundred forty".