40407073671 has 4 divisors (see below), whose sum is σ = 53876098232. Its totient is φ = 26938049112.

The previous prime is 40407073669. The next prime is 40407073697. The reversal of 40407073671 is 17637070404.

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

It is not a de Polignac number, because 40407073671 - 2¹ = 40407073669 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 (40407073571) 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, 6734512276 + ... + 6734512281.

It is an arithmetic number, because the mean of its divisors is an integer number (13469024558).

Almost surely, 2^40407073671 is an apocalyptic number.

40407073671 is a deficient number, since it is larger than the sum of its proper divisors (13469024561).

40407073671 is a wasteful number, since it uses less digits than its factorization.

40407073671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13469024560.

The product of its (nonzero) digits is 98784, while the sum is 39.

The spelling of 40407073671 in words is "forty billion, four hundred seven million, seventy-three thousand, six hundred seventy-one".