40847076381 has 16 divisors (see below), whose sum is σ = 54671016960. Its totient is φ = 27127337280.

The previous prime is 40847076379. The next prime is 40847076461. The reversal of 40847076381 is 18367074804.

It is not a de Polignac number, because 40847076381 - 2¹ = 40847076379 is a prime.

It is a super-2 number, since 2×40847076381² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40847076381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40847078381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2522571 + ... + 2538711.

It is an arithmetic number, because the mean of its divisors is an integer number (3416938560).

Almost surely, 2^40847076381 is an apocalyptic number.

It is an amenable number.

40847076381 is a deficient number, since it is larger than the sum of its proper divisors (13823940579).

40847076381 is a wasteful number, since it uses less digits than its factorization.

40847076381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19316.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 40847076381 in words is "forty billion, eight hundred forty-seven million, seventy-six thousand, three hundred eighty-one".