40549984519 has 24 divisors (see below), whose sum is σ = 47216134224. Its totient is φ = 34678406400.

The previous prime is 40549984487. The next prime is 40549984549. The reversal of 40549984519 is 91548994504.

It is not a de Polignac number, because 40549984519 - 2⁵ = 40549984487 is a prime.

It is a super-2 number, since 2×40549984519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40549984549) 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 23 ways as a sum of consecutive naturals, for example, 6243864 + ... + 6250354.

It is an arithmetic number, because the mean of its divisors is an integer number (1967338926).

Almost surely, 2^40549984519 is an apocalyptic number.

40549984519 is a deficient number, since it is larger than the sum of its proper divisors (6666149705).

40549984519 is a wasteful number, since it uses less digits than its factorization.

40549984519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9567 (or 9556 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 58.

The spelling of 40549984519 in words is "forty billion, five hundred forty-nine million, nine hundred eighty-four thousand, five hundred nineteen".