340143044 has 12 divisors (see below), whose sum is σ = 621130944. Its totient is φ = 162677064.

The previous prime is 340143043. The next prime is 340143091. The reversal of 340143044 is 440341043.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (340143043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1848512 + ... + 1848695.

It is an arithmetic number, because the mean of its divisors is an integer number (51760912).

Almost surely, 2^340143044 is an apocalyptic number.

It is an amenable number.

340143044 is a deficient number, since it is larger than the sum of its proper divisors (280987900).

340143044 is a wasteful number, since it uses less digits than its factorization.

340143044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697234 (or 3697232 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 340143044 is about 18442.9673317501. The cubic root of 340143044 is about 698.0510713774.

Adding to 340143044 its reverse (440341043), we get a palindrome (780484087).

The spelling of 340143044 in words is "three hundred forty million, one hundred forty-three thousand, forty-four".