40187271641 has 8 divisors (see below), whose sum is σ = 43850352000. Its totient is φ = 36525806640.

The previous prime is 40187271581. The next prime is 40187271643. The reversal of 40187271641 is 14617278104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40187271641 - 2⁶ = 40187271577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40187271643) 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 7 ways as a sum of consecutive naturals, for example, 351521 + ... + 451598.

It is an arithmetic number, because the mean of its divisors is an integer number (5481294000).

Almost surely, 2^40187271641 is an apocalyptic number.

It is an amenable number.

40187271641 is a deficient number, since it is larger than the sum of its proper divisors (3663080359).

40187271641 is a wasteful number, since it uses less digits than its factorization.

40187271641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807679.

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 40187271641 in words is "forty billion, one hundred eighty-seven million, two hundred seventy-one thousand, six hundred forty-one".