40404076673 has 4 divisors (see below), whose sum is σ = 40651954608. Its totient is φ = 40156198740.

The previous prime is 40404076649. The next prime is 40404076723. The reversal of 40404076673 is 37667040404.

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 40404076673 - 2²⁴ = 40387299457 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 40404076673.

It is not an unprimeable number, because it can be changed into a prime (40404076633) 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, 123938723 + ... + 123939048.

It is an arithmetic number, because the mean of its divisors is an integer number (10162988652).

Almost surely, 2^40404076673 is an apocalyptic number.

It is an amenable number.

40404076673 is a deficient number, since it is larger than the sum of its proper divisors (247877935).

40404076673 is a wasteful number, since it uses less digits than its factorization.

40404076673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247877934.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 40404076673 in words is "forty billion, four hundred four million, seventy-six thousand, six hundred seventy-three".