40481059391 has 8 divisors (see below), whose sum is σ = 40693303200. Its totient is φ = 40268904192.

The previous prime is 40481059331. The next prime is 40481059393. The reversal of 40481059391 is 19395018404.

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 40481059391 - 2⁶ = 40481059327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40481059393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021931 + ... + 1060803.

It is an arithmetic number, because the mean of its divisors is an integer number (5086662900).

Almost surely, 2^40481059391 is an apocalyptic number.

40481059391 is a deficient number, since it is larger than the sum of its proper divisors (212243809).

40481059391 is a wasteful number, since it uses less digits than its factorization.

40481059391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44305.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 40481059391 in words is "forty billion, four hundred eighty-one million, fifty-nine thousand, three hundred ninety-one".