40540757834 has 8 divisors (see below), whose sum is σ = 60816316548. Its totient is φ = 20268652320.

The previous prime is 40540757821. The next prime is 40540757839. The reversal of 40540757834 is 43875704504.

It can be written as a sum of positive squares in 2 ways, for example, as 39482882209 + 1057875625 = 198703^2 + 32525^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40540757839) 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 3 ways as a sum of consecutive naturals, for example, 833747 + ... + 881030.

Almost surely, 2^40540757834 is an apocalyptic number.

40540757834 is a deficient number, since it is larger than the sum of its proper divisors (20275558714).

40540757834 is a wasteful number, since it uses less digits than its factorization.

40540757834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726600.

The product of its (nonzero) digits is 1881600, while the sum is 47.

The spelling of 40540757834 in words is "forty billion, five hundred forty million, seven hundred fifty-seven thousand, eight hundred thirty-four".