40454057767 has 4 divisors (see below), whose sum is σ = 40481155080. Its totient is φ = 40426960456.

The previous prime is 40454057747. The next prime is 40454057779. The reversal of 40454057767 is 76775045404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40454057767 is a prime.

It is a super-3 number, since 3×40454057767³ (a number of 33 digits) contains 333 as substring.

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 40454057767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40454057747) 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, 13546417 + ... + 13549402.

It is an arithmetic number, because the mean of its divisors is an integer number (10120288770).

Almost surely, 2^40454057767 is an apocalyptic number.

40454057767 is a deficient number, since it is larger than the sum of its proper divisors (27097313).

40454057767 is a wasteful number, since it uses less digits than its factorization.

40454057767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27097312.

The product of its (nonzero) digits is 3292800, while the sum is 49.

The spelling of 40454057767 in words is "forty billion, four hundred fifty-four million, fifty-seven thousand, seven hundred sixty-seven".