40344143103 has 24 divisors (see below), whose sum is σ = 63798870096. Its totient is φ = 24363964800.

The previous prime is 40344143087. The next prime is 40344143153. The reversal of 40344143103 is 30134144304.

40344143103 is a `hidden beast` number, since 4 + 0 + 344 + 1 + 4 + 310 + 3 = 666.

It is not a de Polignac number, because 40344143103 - 2⁴ = 40344143087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344143153) 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, 697300 + ... + 752937.

It is an arithmetic number, because the mean of its divisors is an integer number (2658286254).

Almost surely, 2^40344143103 is an apocalyptic number.

40344143103 is a deficient number, since it is larger than the sum of its proper divisors (23454726993).

40344143103 is a wasteful number, since it uses less digits than its factorization.

40344143103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450535 (or 1450532 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 40344143103 its reverse (30134144304), we get a palindrome (70478287407).

The spelling of 40344143103 in words is "forty billion, three hundred forty-four million, one hundred forty-three thousand, one hundred three".