40440103777343 has 4 divisors (see below), whose sum is σ = 42568530291960. Its totient is φ = 38311677262728.

The previous prime is 40440103777313. The next prime is 40440103777351. The reversal of 40440103777343 is 34377730104404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40440103777343 - 2¹⁸ = 40440103515199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40440103777313) 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, 1064213257280 + ... + 1064213257317.

It is an arithmetic number, because the mean of its divisors is an integer number (10642132572990).

Almost surely, 2^{40440103777343} is an apocalyptic number.

40440103777343 is a deficient number, since it is larger than the sum of its proper divisors (2128426514617).

40440103777343 is a wasteful number, since it uses less digits than its factorization.

40440103777343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128426514616.

The product of its (nonzero) digits is 2370816, while the sum is 47.

The spelling of 40440103777343 in words is "forty trillion, four hundred forty billion, one hundred three million, seven hundred seventy-seven thousand, three hundred forty-three".