40405233067 has 4 divisors (see below), whose sum is σ = 40405719760. Its totient is φ = 40404746376.

The previous prime is 40405233053. The next prime is 40405233083. The reversal of 40405233067 is 76033250404.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40405233067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40405233097) 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, 84063 + ... + 296440.

It is an arithmetic number, because the mean of its divisors is an integer number (10101429940).

Almost surely, 2^40405233067 is an apocalyptic number.

40405233067 is a deficient number, since it is larger than the sum of its proper divisors (486693).

40405233067 is a wasteful number, since it uses less digits than its factorization.

40405233067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486692.

The product of its (nonzero) digits is 60480, while the sum is 34.

The spelling of 40405233067 in words is "forty billion, four hundred five million, two hundred thirty-three thousand, sixty-seven".