40671400771 has 4 divisors (see below), whose sum is σ = 40676153472. Its totient is φ = 40666648072.

The previous prime is 40671400711. The next prime is 40671400787. The reversal of 40671400771 is 17700417604.

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 40671400771 - 2¹⁷ = 40671269699 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 40671400771.

It is not an unprimeable number, because it can be changed into a prime (40671400711) 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, 2363491 + ... + 2380636.

It is an arithmetic number, because the mean of its divisors is an integer number (10169038368).

Almost surely, 2^40671400771 is an apocalyptic number.

40671400771 is a deficient number, since it is larger than the sum of its proper divisors (4752701).

40671400771 is an equidigital number, since it uses as much as digits as its factorization.

40671400771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4752700.

The product of its (nonzero) digits is 32928, while the sum is 37.

The spelling of 40671400771 in words is "forty billion, six hundred seventy-one million, four hundred thousand, seven hundred seventy-one".