40001047343 has 8 divisors (see below), whose sum is σ = 40599167616. Its totient is φ = 39403891800.

The previous prime is 40001047321. The next prime is 40001047351. The reversal of 40001047343 is 34374010004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40001047343 - 2¹⁴ = 40001030959 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 (40001046343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157421 + ... + 323702.

It is an arithmetic number, because the mean of its divisors is an integer number (5074895952).

Almost surely, 2^40001047343 is an apocalyptic number.

40001047343 is a deficient number, since it is larger than the sum of its proper divisors (598120273).

40001047343 is a wasteful number, since it uses less digits than its factorization.

40001047343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482365.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 40001047343 its reverse (34374010004), we get a palindrome (74375057347).

The spelling of 40001047343 in words is "forty billion, one million, forty-seven thousand, three hundred forty-three".