40571191045 has 64 divisors (see below), whose sum is σ = 62266724352. Its totient is φ = 24639552000.

The previous prime is 40571190983. The next prime is 40571191051. The reversal of 40571191045 is 54019117504.

It is not a de Polignac number, because 40571191045 - 2¹⁷ = 40571059973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40571190995 and 40571191013.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 15325912 + ... + 15328558.

It is an arithmetic number, because the mean of its divisors is an integer number (972917568).

Almost surely, 2^40571191045 is an apocalyptic number.

It is an amenable number.

40571191045 is a deficient number, since it is larger than the sum of its proper divisors (21695533307).

40571191045 is a wasteful number, since it uses less digits than its factorization.

40571191045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682.

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 40571191045 in words is "forty billion, five hundred seventy-one million, one hundred ninety-one thousand, forty-five".