40547640519 has 12 divisors (see below), whose sum is σ = 58644986400. Its totient is φ = 26996603904.

The previous prime is 40547640433. The next prime is 40547640569. The reversal of 40547640519 is 91504674504.

40547640519 is a `hidden beast` number, since 40 + 54 + 7 + 6 + 40 + 519 = 666.

It is not a de Polignac number, because 40547640519 - 2¹³ = 40547632327 is a prime.

It is a super-2 number, since 2×40547640519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40547640569) 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 11 ways as a sum of consecutive naturals, for example, 2922399 + ... + 2936240.

It is an arithmetic number, because the mean of its divisors is an integer number (4887082200).

Almost surely, 2^40547640519 is an apocalyptic number.

40547640519 is a deficient number, since it is larger than the sum of its proper divisors (18097345881).

40547640519 is a wasteful number, since it uses less digits than its factorization.

40547640519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5859414 (or 5859411 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 40547640519 in words is "forty billion, five hundred forty-seven million, six hundred forty thousand, five hundred nineteen".