40552734691 has 4 divisors (see below), whose sum is σ = 46345982512. Its totient is φ = 34759486872.

The previous prime is 40552734689. The next prime is 40552734773. The reversal of 40552734691 is 19643725504.

It is a happy number.

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 40552734691 - 2¹ = 40552734689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40552734091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2896623900 + ... + 2896623913.

It is an arithmetic number, because the mean of its divisors is an integer number (11586495628).

Almost surely, 2^40552734691 is an apocalyptic number.

40552734691 is a deficient number, since it is larger than the sum of its proper divisors (5793247821).

40552734691 is an equidigital number, since it uses as much as digits as its factorization.

40552734691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5793247820.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 40552734691 in words is "forty billion, five hundred fifty-two million, seven hundred thirty-four thousand, six hundred ninety-one".