40648875673 has 4 divisors (see below), whose sum is σ = 46455857920. Its totient is φ = 34841893428.

The previous prime is 40648875653. The next prime is 40648875677. The reversal of 40648875673 is 37657884604.

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 a de Polignac number, because none of the positive numbers 2^k-40648875673 is a prime.

It is a super-3 number, since 3×40648875673³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40648875677) 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, 2903491113 + ... + 2903491126.

It is an arithmetic number, because the mean of its divisors is an integer number (11613964480).

Almost surely, 2^40648875673 is an apocalyptic number.

It is an amenable number.

40648875673 is a deficient number, since it is larger than the sum of its proper divisors (5806982247).

40648875673 is an equidigital number, since it uses as much as digits as its factorization.

40648875673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806982246.

The product of its (nonzero) digits is 27095040, while the sum is 58.

The spelling of 40648875673 in words is "forty billion, six hundred forty-eight million, eight hundred seventy-five thousand, six hundred seventy-three".