40549300481 has 16 divisors (see below), whose sum is σ = 42046760448. Its totient is φ = 39063993600.

The previous prime is 40549300447. The next prime is 40549300499. The reversal of 40549300481 is 18400394504.

It is a cyclic number.

It is not a de Polignac number, because 40549300481 - 2¹⁸ = 40549038337 is a prime.

It is a super-2 number, since 2×40549300481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40549300381) 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, 10779641 + ... + 10783401.

It is an arithmetic number, because the mean of its divisors is an integer number (2627922528).

Almost surely, 2^40549300481 is an apocalyptic number.

It is an amenable number.

40549300481 is a deficient number, since it is larger than the sum of its proper divisors (1497459967).

40549300481 is a wasteful number, since it uses less digits than its factorization.

40549300481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5272.

The product of its (nonzero) digits is 69120, while the sum is 38.

Adding to 40549300481 its reverse (18400394504), we get a palindrome (58949694985).

The spelling of 40549300481 in words is "forty billion, five hundred forty-nine million, three hundred thousand, four hundred eighty-one".