40847317481 has 16 divisors (see below), whose sum is σ = 42388738560. Its totient is φ = 39314970240.

The previous prime is 40847317463. The next prime is 40847317541. The reversal of 40847317481 is 18471374804.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40847317481 is a prime.

It is a super-2 number, since 2×40847317481² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40847317411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22405736 + ... + 22407558.

It is an arithmetic number, because the mean of its divisors is an integer number (2649296160).

Almost surely, 2^40847317481 is an apocalyptic number.

It is an amenable number.

40847317481 is a deficient number, since it is larger than the sum of its proper divisors (1541421079).

40847317481 is a wasteful number, since it uses less digits than its factorization.

40847317481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856.

The product of its (nonzero) digits is 602112, while the sum is 47.

The spelling of 40847317481 in words is "forty billion, eight hundred forty-seven million, three hundred seventeen thousand, four hundred eighty-one".