40549947334 has 32 divisors (see below), whose sum is σ = 67783716000. Its totient is φ = 18064349184.

The previous prime is 40549947331. The next prime is 40549947341. The reversal of 40549947334 is 43374994504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40549947331) 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, 3227637 + ... + 3240175.

It is an arithmetic number, because the mean of its divisors is an integer number (2118241125).

Almost surely, 2^40549947334 is an apocalyptic number.

40549947334 is a deficient number, since it is larger than the sum of its proper divisors (27233768666).

40549947334 is a wasteful number, since it uses less digits than its factorization.

40549947334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16872.

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 40549947334 in words is "forty billion, five hundred forty-nine million, nine hundred forty-seven thousand, three hundred thirty-four".