40784306371 has 4 divisors (see below), whose sum is σ = 40876370712. Its totient is φ = 40692242032.

The previous prime is 40784306369. The next prime is 40784306401. The reversal of 40784306371 is 17360348704.

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 40784306371 - 2¹ = 40784306369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40784306971) 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, 46031506 + ... + 46032391.

It is an arithmetic number, because the mean of its divisors is an integer number (10219092678).

Almost surely, 2^40784306371 is an apocalyptic number.

40784306371 is a deficient number, since it is larger than the sum of its proper divisors (92064341).

40784306371 is an equidigital number, since it uses as much as digits as its factorization.

40784306371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92064340.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 40784306371 in words is "forty billion, seven hundred eighty-four million, three hundred six thousand, three hundred seventy-one".