40573716479 has 4 divisors (see below), whose sum is σ = 40945952520. Its totient is φ = 40201480440.

The previous prime is 40573716439. The next prime is 40573716503. The reversal of 40573716479 is 97461737504.

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 40573716479 - 2¹² = 40573712383 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 40573716479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40573716439) 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, 186117857 + ... + 186118074.

It is an arithmetic number, because the mean of its divisors is an integer number (10236488130).

Almost surely, 2^40573716479 is an apocalyptic number.

40573716479 is a deficient number, since it is larger than the sum of its proper divisors (372236041).

40573716479 is a wasteful number, since it uses less digits than its factorization.

40573716479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372236040.

The product of its (nonzero) digits is 4445280, while the sum is 53.

The spelling of 40573716479 in words is "forty billion, five hundred seventy-three million, seven hundred sixteen thousand, four hundred seventy-nine".