40373343293 has 4 divisors (see below), whose sum is σ = 40526854368. Its totient is φ = 40219832220.

The previous prime is 40373343289. The next prime is 40373343343. The reversal of 40373343293 is 39234337304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40373343293 - 2² = 40373343289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40373343293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40373343233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76755143 + ... + 76755668.

It is an arithmetic number, because the mean of its divisors is an integer number (10131713592).

Almost surely, 2^40373343293 is an apocalyptic number.

It is an amenable number.

40373343293 is a deficient number, since it is larger than the sum of its proper divisors (153511075).

40373343293 is a wasteful number, since it uses less digits than its factorization.

40373343293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153511074.

The product of its (nonzero) digits is 489888, while the sum is 41.

The spelling of 40373343293 in words is "forty billion, three hundred seventy-three million, three hundred forty-three thousand, two hundred ninety-three".